22234154223991 has 2 divisors, whose sum is σ = 22234154223992. Its totient is φ = 22234154223990.

The previous prime is 22234154223943. The next prime is 22234154224039. The reversal of 22234154223991 is 19932245143222.

It is a balanced prime because it is at equal distance from previous prime (22234154223943) and next prime (22234154224039).

It is a cyclic number.

It is not a de Polignac number, because 22234154223991 - 2⁷ = 22234154223863 is a prime.

It is a super-2 number, since 2×22234154223991² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22234154223191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11117077111995 + 11117077111996.

It is an arithmetic number, because the mean of its divisors is an integer number (11117077111996).

Almost surely, 2^{22234154223991} is an apocalyptic number.

22234154223991 is a deficient number, since it is larger than the sum of its proper divisors (1).

22234154223991 is an equidigital number, since it uses as much as digits as its factorization.

22234154223991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The spelling of 22234154223991 in words is "twenty-two trillion, two hundred thirty-four billion, one hundred fifty-four million, two hundred twenty-three thousand, nine hundred ninety-one".