22076145 has 80 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 9300096.

The previous prime is 22076141. The next prime is 22076177. The reversal of 22076145 is 54167022.

It is not a de Polignac number, because 22076145 - 2² = 22076141 is a prime.

It is a super-2 number, since 2×22076145² = 974712356122050, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22076141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36556 + ... + 37154.

It is an arithmetic number, because the mean of its divisors is an integer number (609840).

Almost surely, 2^22076145 is an apocalyptic number.

It is an amenable number.

22076145 is an abundant number, since it is smaller than the sum of its proper divisors (26711055).

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

22076145 is a wasteful number, since it uses less digits than its factorization.

22076145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 22076145 is about 4698.5258326416. The cubic root of 22076145 is about 280.5268354891.

The spelling of 22076145 in words is "twenty-two million, seventy-six thousand, one hundred forty-five".