22154511545122 has 16 divisors (see below), whose sum is σ = 36253108482912. Its totient is φ = 10070157129120.

The previous prime is 22154511545099. The next prime is 22154511545147.

22154511545122 is nontrivially palindromic in base 10.

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, 708963 + ... + 6694150.

It is an arithmetic number, because the mean of its divisors is an integer number (2265819280182).

Almost surely, 2^{22154511545122} is an apocalyptic number.

22154511545122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22154511545122 is a deficient number, since it is larger than the sum of its proper divisors (14098596937790).

22154511545122 is a wasteful number, since it uses less digits than its factorization.

22154511545122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539153.

The product of its digits is 160000, while the sum is 40.

The spelling of 22154511545122 in words is "twenty-two trillion, one hundred fifty-four billion, five hundred eleven million, five hundred forty-five thousand, one hundred twenty-two".