22081059 has 128 divisors (see below), whose sum is σ = 47308800. Its totient is φ = 9797760.

The previous prime is 22081057. The next prime is 22081063. The reversal of 22081059 is 95018022.

It is not a de Polignac number, because 22081059 - 2¹ = 22081057 is a prime.

It is a super-2 number, since 2×22081059² = 975146333122962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22081051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 513492 + ... + 513534.

It is an arithmetic number, because the mean of its divisors is an integer number (369600).

Almost surely, 2^22081059 is an apocalyptic number.

22081059 is an abundant number, since it is smaller than the sum of its proper divisors (25227741).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22081059 is a wasteful number, since it uses less digits than its factorization.

22081059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 22081059 is about 4699.0487335204. The cubic root of 22081059 is about 280.5476484013.

The spelling of 22081059 in words is "twenty-two million, eighty-one thousand, fifty-nine".