22125153523402 has 4 divisors (see below), whose sum is σ = 33187730285106. Its totient is φ = 11062576761700.

The previous prime is 22125153523327. The next prime is 22125153523427. The reversal of 22125153523402 is 20432535152122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13607400370041 + 8517753153361 = 3688821^2 + 2918519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531288380849 + ... + 5531288380852.

Almost surely, 2^{22125153523402} is an apocalyptic number.

22125153523402 is a deficient number, since it is larger than the sum of its proper divisors (11062576761704).

22125153523402 is a wasteful number, since it uses less digits than its factorization.

22125153523402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062576761703.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 22125153523402 its reverse (20432535152122), we get a palindrome (42557688675524).

The spelling of 22125153523402 in words is "twenty-two trillion, one hundred twenty-five billion, one hundred fifty-three million, five hundred twenty-three thousand, four hundred two".