2263621345 has 8 divisors (see below), whose sum is σ = 2716957800. Its totient is φ = 1810488960.

The previous prime is 2263621313. The next prime is 2263621387. The reversal of 2263621345 is 5431263622.

2263621345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1211527249 + 1052094096 = 34807^2 + 32436^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2263621345 - 2⁵ = 2263621313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2263621345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25446 + ... + 71935.

It is an arithmetic number, because the mean of its divisors is an integer number (339619725).

Almost surely, 2^2263621345 is an apocalyptic number.

It is an amenable number.

2263621345 is a deficient number, since it is larger than the sum of its proper divisors (453336455).

2263621345 is an equidigital number, since it uses as much as digits as its factorization.

2263621345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102035.

The product of its digits is 51840, while the sum is 34.

The square root of 2263621345 is about 47577.5298328949. The cubic root of 2263621345 is about 1313.0096768235.

Adding to 2263621345 its reverse (5431263622), we get a palindrome (7694884967).

The spelling of 2263621345 in words is "two billion, two hundred sixty-three million, six hundred twenty-one thousand, three hundred forty-five".