22154522161022 has 32 divisors (see below), whose sum is σ = 34002489692160. Its totient is φ = 10823098366080.

The previous prime is 22154522161003. The next prime is 22154522161081. The reversal of 22154522161022 is 22016122545122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63831629 + ... + 64177767.

It is an arithmetic number, because the mean of its divisors is an integer number (1062577802880).

Almost surely, 2^{22154522161022} is an apocalyptic number.

22154522161022 is a deficient number, since it is larger than the sum of its proper divisors (11847967531138).

22154522161022 is a wasteful number, since it uses less digits than its factorization.

22154522161022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350096.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 22154522161022 in words is "twenty-two trillion, one hundred fifty-four billion, five hundred twenty-two million, one hundred sixty-one thousand, twenty-two".