22274464523 has 16 divisors (see below), whose sum is σ = 24313102560. Its totient is φ = 20326496256.

The previous prime is 22274464501. The next prime is 22274464571. The reversal of 22274464523 is 32546447222.

It is a cyclic number.

It is not a de Polignac number, because 22274464523 - 2²² = 22270270219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22274464573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78890 + ... + 225327.

It is an arithmetic number, because the mean of its divisors is an integer number (1519568910).

Almost surely, 2^22274464523 is an apocalyptic number.

22274464523 is a deficient number, since it is larger than the sum of its proper divisors (2038638037).

22274464523 is a wasteful number, since it uses less digits than its factorization.

22274464523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304366.

The product of its digits is 645120, while the sum is 41.

The spelling of 22274464523 in words is "twenty-two billion, two hundred seventy-four million, four hundred sixty-four thousand, five hundred twenty-three".