22250608477 has 4 divisors (see below), whose sum is σ = 22314731616. Its totient is φ = 22186485340.

The previous prime is 22250608439. The next prime is 22250608481. The reversal of 22250608477 is 77480605222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22250608477 - 2⁷ = 22250608349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250638477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32061049 + ... + 32061742.

It is an arithmetic number, because the mean of its divisors is an integer number (5578682904).

Almost surely, 2^22250608477 is an apocalyptic number.

It is an amenable number.

22250608477 is a deficient number, since it is larger than the sum of its proper divisors (64123139).

22250608477 is an equidigital number, since it uses as much as digits as its factorization.

22250608477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64123138.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 22250608477 in words is "twenty-two billion, two hundred fifty million, six hundred eight thousand, four hundred seventy-seven".