90022393919 has 2 divisors, whose sum is σ = 90022393920. Its totient is φ = 90022393918.

The previous prime is 90022393913. The next prime is 90022393939. The reversal of 90022393919 is 91939322009.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90022393919 is a prime.

It is a super-2 number, since 2×90022393919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90022393913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45011196959 + 45011196960.

It is an arithmetic number, because the mean of its divisors is an integer number (45011196960).

Almost surely, 2^90022393919 is an apocalyptic number.

90022393919 is a deficient number, since it is larger than the sum of its proper divisors (1).

90022393919 is an equidigital number, since it uses as much as digits as its factorization.

90022393919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 47.

The spelling of 90022393919 in words is "ninety billion, twenty-two million, three hundred ninety-three thousand, nine hundred nineteen".