22325977 has 4 divisors (see below), whose sum is σ = 22397620. Its totient is φ = 22254336.

The previous prime is 22325959. The next prime is 22326001. The reversal of 22325977 is 77952322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 22099401 = 476^2 + 4701^2 .

It is a cyclic number.

It is not a de Polignac number, because 22325977 - 2²³ = 13937369 is a prime.

It is a super-3 number, since 3×22325977³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22325957) 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 3 ways as a sum of consecutive naturals, for example, 35352 + ... + 35977.

It is an arithmetic number, because the mean of its divisors is an integer number (5599405).

Almost surely, 2^22325977 is an apocalyptic number.

It is an amenable number.

22325977 is a deficient number, since it is larger than the sum of its proper divisors (71643).

22325977 is an equidigital number, since it uses as much as digits as its factorization.

22325977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71642.

The product of its digits is 52920, while the sum is 37.

The square root of 22325977 is about 4725.0372485304. The cubic root of 22325977 is about 281.5810934021.

The spelling of 22325977 in words is "twenty-two million, three hundred twenty-five thousand, nine hundred seventy-seven".