22603225491 has 48 divisors (see below), whose sum is σ = 40719644160. Its totient is φ = 11737820160.

The previous prime is 22603225481. The next prime is 22603225543. The reversal of 22603225491 is 19452230622.

22603225491 is a `hidden beast` number, since 2 + 2 + 603 + 2 + 2 + 5 + 49 + 1 = 666.

It is not a de Polignac number, because 22603225491 - 2⁷ = 22603225363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22603225451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3793971 + ... + 3799923.

It is an arithmetic number, because the mean of its divisors is an integer number (848325920).

Almost surely, 2^22603225491 is an apocalyptic number.

22603225491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22603225491 is a deficient number, since it is larger than the sum of its proper divisors (18116418669).

22603225491 is a wasteful number, since it uses less digits than its factorization.

22603225491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456 (or 11453 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22603225491 in words is "twenty-two billion, six hundred three million, two hundred twenty-five thousand, four hundred ninety-one".