22531445455 has 24 divisors (see below), whose sum is σ = 28092216672. Its totient is φ = 17347671936.

The previous prime is 22531445441. The next prime is 22531445459. The reversal of 22531445455 is 55454413522.

22531445455 = T₃₇₈ + T₃₇₉ + ... + T₅₁₃₂.

It is not a de Polignac number, because 22531445455 - 2¹⁹ = 22530921167 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 (22531445459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1324534 + ... + 1341436.

It is an arithmetic number, because the mean of its divisors is an integer number (1170509028).

Almost surely, 2^22531445455 is an apocalyptic number.

22531445455 is a deficient number, since it is larger than the sum of its proper divisors (5560771217).

22531445455 is a wasteful number, since it uses less digits than its factorization.

22531445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17283 (or 17254 counting only the distinct ones).

The product of its digits is 480000, while the sum is 40.

Adding to 22531445455 its reverse (55454413522), we get a palindrome (77985858977).

The spelling of 22531445455 in words is "twenty-two billion, five hundred thirty-one million, four hundred forty-five thousand, four hundred fifty-five".