22011222534 has 16 divisors (see below), whose sum is σ = 50311365888. Its totient is φ = 6288920712.

The previous prime is 22011222529. The next prime is 22011222553. The reversal of 22011222534 is 43522211022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262038322 + ... + 262038405.

It is an arithmetic number, because the mean of its divisors is an integer number (3144460368).

Almost surely, 2^22011222534 is an apocalyptic number.

22011222534 is an abundant number, since it is smaller than the sum of its proper divisors (28300143354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011222534 is a wasteful number, since it uses less digits than its factorization.

22011222534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524076739.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22011222534 its reverse (43522211022), we get a palindrome (65533433556).

The spelling of 22011222534 in words is "twenty-two billion, eleven million, two hundred twenty-two thousand, five hundred thirty-four".