22250193797 has 32 divisors (see below), whose sum is σ = 25045063680. Its totient is φ = 19627868160.

The previous prime is 22250193787. The next prime is 22250193799. The reversal of 22250193797 is 79739105222.

It is a cyclic number.

It is not a de Polignac number, because 22250193797 - 2⁶ = 22250193733 is a prime.

It is a super-2 number, since 2×22250193797² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250193799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23950229 + ... + 23951157.

It is an arithmetic number, because the mean of its divisors is an integer number (782658240).

Almost surely, 2^22250193797 is an apocalyptic number.

It is an amenable number.

22250193797 is a deficient number, since it is larger than the sum of its proper divisors (2794869883).

22250193797 is a wasteful number, since it uses less digits than its factorization.

22250193797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 22250193797 in words is "twenty-two billion, two hundred fifty million, one hundred ninety-three thousand, seven hundred ninety-seven".