22357361 has 16 divisors (see below), whose sum is σ = 25223184. Its totient is φ = 19678464.

The previous prime is 22357343. The next prime is 22357369. The reversal of 22357361 is 16375322.

It can be written as a sum of positive squares in 8 ways, for example, as 2421136 + 19936225 = 1556^2 + 4465^2 .

It is not a de Polignac number, because 22357361 - 2¹⁰ = 22356337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22357369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25055 + ... + 25931.

It is an arithmetic number, because the mean of its divisors is an integer number (1576449).

Almost surely, 2^22357361 is an apocalyptic number.

It is an amenable number.

22357361 is a deficient number, since it is larger than the sum of its proper divisors (2865823).

22357361 is a wasteful number, since it uses less digits than its factorization.

22357361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 7560, while the sum is 29.

The square root of 22357361 is about 4728.3571142628. The cubic root of 22357361 is about 281.7129727136.

The spelling of 22357361 in words is "twenty-two million, three hundred fifty-seven thousand, three hundred sixty-one".