22370165 has 8 divisors (see below), whose sum is σ = 27770040. Its totient is φ = 17278912.

The previous prime is 22370149. The next prime is 22370203. The reversal of 22370165 is 56107322.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 22363441 = 82^2 + 4729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22370165 - 2⁴ = 22370149 is a prime.

It is a Curzon number.

It is a congruent number.

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, 76994 + ... + 77283.

It is an arithmetic number, because the mean of its divisors is an integer number (3471255).

Almost surely, 2^22370165 is an apocalyptic number.

It is an amenable number.

22370165 is a deficient number, since it is larger than the sum of its proper divisors (5399875).

22370165 is a wasteful number, since it uses less digits than its factorization.

22370165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154311.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 22370165 is about 4729.7108791130. The cubic root of 22370165 is about 281.7667412023.

Adding to 22370165 its reverse (56107322), we get a palindrome (78477487).

The spelling of 22370165 in words is "twenty-two million, three hundred seventy thousand, one hundred sixty-five".