22455503491 has 16 divisors (see below), whose sum is σ = 22800960000. Its totient is φ = 22112921088.

The previous prime is 22455503489. The next prime is 22455503509. The reversal of 22455503491 is 19430555422.

It is a cyclic number.

It is not a de Polignac number, because 22455503491 - 2¹ = 22455503489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22455503431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18450915 + ... + 18452131.

It is an arithmetic number, because the mean of its divisors is an integer number (1425060000).

Almost surely, 2^22455503491 is an apocalyptic number.

22455503491 is a deficient number, since it is larger than the sum of its proper divisors (345456509).

22455503491 is a wasteful number, since it uses less digits than its factorization.

22455503491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 22455503491 in words is "twenty-two billion, four hundred fifty-five million, five hundred three thousand, four hundred ninety-one".