1302225144 has 32 divisors (see below), whose sum is σ = 3551523840. Its totient is φ = 394613600.

The previous prime is 1302225139. The next prime is 1302225161. The reversal of 1302225144 is 4415222031.

1302225144 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 2466072 + ... + 2466599.

It is an arithmetic number, because the mean of its divisors is an integer number (110985120).

Almost surely, 2^1302225144 is an apocalyptic number.

It is an amenable number.

1302225144 is an abundant number, since it is smaller than the sum of its proper divisors (2249298696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302225144 is a wasteful number, since it uses less digits than its factorization.

1302225144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932691 (or 4932687 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1302225144 is about 36086.3567570903. The cubic root of 1302225144 is about 1092.0152220503.

Adding to 1302225144 its reverse (4415222031), we get a palindrome (5717447175).

The spelling of 1302225144 in words is "one billion, three hundred two million, two hundred twenty-five thousand, one hundred forty-four".