22042211555 has 32 divisors (see below), whose sum is σ = 32566224768. Its totient is φ = 13947033600.

The previous prime is 22042211533. The next prime is 22042211599. The reversal of 22042211555 is 55511224022.

It is a happy number.

It is not a de Polignac number, because 22042211555 - 2²⁶ = 21975102691 is a prime.

It is an unprimeable number.

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, 1604315 + ... + 1617995.

It is an arithmetic number, because the mean of its divisors is an integer number (1017694524).

Almost surely, 2^22042211555 is an apocalyptic number.

22042211555 is a deficient number, since it is larger than the sum of its proper divisors (10524013213).

22042211555 is a wasteful number, since it uses less digits than its factorization.

22042211555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17247.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 22042211555 its reverse (55511224022), we get a palindrome (77553435577).

The spelling of 22042211555 in words is "twenty-two billion, forty-two million, two hundred eleven thousand, five hundred fifty-five".