22155235537 has 8 divisors (see below), whose sum is σ = 22284662400. Its totient is φ = 22026181104.

The previous prime is 22155235523. The next prime is 22155235603. The reversal of 22155235537 is 73553255122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22155235537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22155235537.

It is not an unprimeable number, because it can be changed into a prime (22155235517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26664 + ... + 212182.

It is an arithmetic number, because the mean of its divisors is an integer number (2785582800).

Almost surely, 2^22155235537 is an apocalyptic number.

It is an amenable number.

22155235537 is a deficient number, since it is larger than the sum of its proper divisors (129426863).

22155235537 is a wasteful number, since it uses less digits than its factorization.

22155235537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186215.

The product of its digits is 315000, while the sum is 40.

The spelling of 22155235537 in words is "twenty-two billion, one hundred fifty-five million, two hundred thirty-five thousand, five hundred thirty-seven".