22310220987 has 24 divisors (see below), whose sum is σ = 33460430640. Its totient is φ = 14855231520.

The previous prime is 22310220967. The next prime is 22310221013. The reversal of 22310220987 is 78902201322.

It is not a de Polignac number, because 22310220987 - 2¹⁴ = 22310204603 is a prime.

It is a super-3 number, since 3×22310220987³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22310220967) 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, 143589 + ... + 255417.

It is an arithmetic number, because the mean of its divisors is an integer number (1394184610).

Almost surely, 2^22310220987 is an apocalyptic number.

22310220987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22310220987 is a deficient number, since it is larger than the sum of its proper divisors (11150209653).

22310220987 is an equidigital number, since it uses as much as digits as its factorization.

22310220987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112665 (or 112653 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 22310220987 in words is "twenty-two billion, three hundred ten million, two hundred twenty thousand, nine hundred eighty-seven".