22155039557 has 8 divisors (see below), whose sum is σ = 26809459776. Its totient is φ = 17872972992.

The previous prime is 22155039551. The next prime is 22155039653. The reversal of 22155039557 is 75593055122.

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

It is not a de Polignac number, because 22155039557 - 2¹⁴ = 22155023173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155039551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93088283 + ... + 93088520.

It is an arithmetic number, because the mean of its divisors is an integer number (3351182472).

Almost surely, 2^22155039557 is an apocalyptic number.

It is an amenable number.

22155039557 is a deficient number, since it is larger than the sum of its proper divisors (4654420219).

22155039557 is a wasteful number, since it uses less digits than its factorization.

22155039557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186176827.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 22155039557 in words is "twenty-two billion, one hundred fifty-five million, thirty-nine thousand, five hundred fifty-seven".