22290309505858 has 16 divisors (see below), whose sum is σ = 33495260302080. Its totient is φ = 11125236484656.

The previous prime is 22290309505781. The next prime is 22290309505873. The reversal of 22290309505858 is 85850590309222.

It is a happy number.

It is a super-2 number, since 2×22290309505858² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190588 + ... + 6679591.

It is an arithmetic number, because the mean of its divisors is an integer number (2093453768880).

Almost surely, 2^{22290309505858} is an apocalyptic number.

22290309505858 is a deficient number, since it is larger than the sum of its proper divisors (11204950796222).

22290309505858 is a wasteful number, since it uses less digits than its factorization.

22290309505858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873081.

The product of its (nonzero) digits is 15552000, while the sum is 58.

The spelling of 22290309505858 in words is "twenty-two trillion, two hundred ninety billion, three hundred nine million, five hundred five thousand, eight hundred fifty-eight".