222155253631 has 2 divisors, whose sum is σ = 222155253632. Its totient is φ = 222155253630.

The previous prime is 222155253629. The next prime is 222155253641. The reversal of 222155253631 is 136352551222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222155253631 - 2¹ = 222155253629 is a prime.

It is a super-2 number, since 2×222155253631² (a number of 23 digits) contains 22 as substring.

Together with 222155253629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222155253641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111077626815 + 111077626816.

It is an arithmetic number, because the mean of its divisors is an integer number (111077626816).

Almost surely, 2^222155253631 is an apocalyptic number.

222155253631 is a deficient number, since it is larger than the sum of its proper divisors (1).

222155253631 is an equidigital number, since it uses as much as digits as its factorization.

222155253631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The spelling of 222155253631 in words is "two hundred twenty-two billion, one hundred fifty-five million, two hundred fifty-three thousand, six hundred thirty-one".