22155532051 has 2 divisors, whose sum is σ = 22155532052. Its totient is φ = 22155532050.

The previous prime is 22155532039. The next prime is 22155532097. The reversal of 22155532051 is 15023555122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22155532051 - 2⁵ = 22155532019 is a prime.

It is not a weakly prime, because it can be changed into another prime (22155532001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11077766025 + 11077766026.

It is an arithmetic number, because the mean of its divisors is an integer number (11077766026).

Almost surely, 2^22155532051 is an apocalyptic number.

22155532051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22155532051 is an equidigital number, since it uses as much as digits as its factorization.

22155532051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 22155532051 in words is "twenty-two billion, one hundred fifty-five million, five hundred thirty-two thousand, fifty-one".