2266626420 has 36 divisors (see below), whose sum is σ = 6875434020. Its totient is φ = 604433664.

The previous prime is 2266626391. The next prime is 2266626431. The reversal of 2266626420 is 246266622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1231588836 + 1035037584 = 35094^2 + 32172^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6296005 + ... + 6296364.

Almost surely, 2^2266626420 is an apocalyptic number.

2266626420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266626420 is an abundant number, since it is smaller than the sum of its proper divisors (4608807600).

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

2266626420 is a wasteful number, since it uses less digits than its factorization.

2266626420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592384 (or 12592379 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2266626420 is about 47609.1001805327. The cubic root of 2266626420 is about 1313.5904494297.

The spelling of 2266626420 in words is "two billion, two hundred sixty-six million, six hundred twenty-six thousand, four hundred twenty".