22263728391268 has 24 divisors (see below), whose sum is σ = 47952645766592. Its totient is φ = 8807628813984.

The previous prime is 22263728391239. The next prime is 22263728391287. The reversal of 22263728391268 is 86219382736222.

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, 30582044130 + ... + 30582044857.

Almost surely, 2^{22263728391268} is an apocalyptic number.

22263728391268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22263728391268 is an abundant number, since it is smaller than the sum of its proper divisors (25688917375324).

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

22263728391268 is a wasteful number, since it uses less digits than its factorization.

22263728391268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61164089011 (or 61164089009 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 22263728391268 in words is "twenty-two trillion, two hundred sixty-three billion, seven hundred twenty-eight million, three hundred ninety-one thousand, two hundred sixty-eight".