22211010987 has 32 divisors (see below), whose sum is σ = 33218760960. Its totient is φ = 13085953920.

The previous prime is 22211010961. The next prime is 22211011021. The reversal of 22211010987 is 78901011222.

It is not a de Polignac number, because 22211010987 - 2⁷ = 22211010859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22211010907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132388 + ... + 248894.

It is an arithmetic number, because the mean of its divisors is an integer number (1038086280).

Almost surely, 2^22211010987 is an apocalyptic number.

22211010987 is a deficient number, since it is larger than the sum of its proper divisors (11007749973).

22211010987 is a wasteful number, since it uses less digits than its factorization.

22211010987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116683.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 22211010987 in words is "twenty-two billion, two hundred eleven million, ten thousand, nine hundred eighty-seven".