22065610 has 16 divisors (see below), whose sum is σ = 45392256. Its totient is φ = 7565328.

The previous prime is 22065601. The next prime is 22065619. The reversal of 22065610 is 1656022.

It is an interprime number because it is at equal distance from previous prime (22065601) and next prime (22065619).

It is a super-2 number, since 2×22065610² = 973782289344200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22065619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157542 + ... + 157681.

It is an arithmetic number, because the mean of its divisors is an integer number (2837016).

Almost surely, 2^22065610 is an apocalyptic number.

22065610 is an abundant number, since it is smaller than the sum of its proper divisors (23326646).

22065610 is a wasteful number, since it uses less digits than its factorization.

22065610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315237.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22065610 is about 4697.4046025438. The cubic root of 22065610 is about 280.4822048037.

The spelling of 22065610 in words is "twenty-two million, sixty-five thousand, six hundred ten".