22155152051 has 4 divisors (see below), whose sum is σ = 22156035000. Its totient is φ = 22154269104.

The previous prime is 22155151981. The next prime is 22155152057. The reversal of 22155152051 is 15025155122.

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

It is a cyclic number.

It is not a de Polignac number, because 22155152051 - 2¹⁰ = 22155151027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22155152057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402701 + ... + 454398.

It is an arithmetic number, because the mean of its divisors is an integer number (5539008750).

Almost surely, 2^22155152051 is an apocalyptic number.

22155152051 is a deficient number, since it is larger than the sum of its proper divisors (882949).

22155152051 is an equidigital number, since it uses as much as digits as its factorization.

22155152051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882948.

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 22155152051 in words is "twenty-two billion, one hundred fifty-five million, one hundred fifty-two thousand, fifty-one".