65022538 has 16 divisors (see below), whose sum is σ = 111571200. Its totient is φ = 27840816.

The previous prime is 65022527. The next prime is 65022547. The reversal of 65022538 is 83522056.

It is a happy number.

It is a super-2 number, since 2×65022538² = 8455860895922888, which contains 22 as substring.

It is an unprimeable number.

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, 26095 + ... + 28477.

It is an arithmetic number, because the mean of its divisors is an integer number (6973200).

Almost surely, 2^65022538 is an apocalyptic number.

65022538 is a deficient number, since it is larger than the sum of its proper divisors (46548662).

65022538 is a wasteful number, since it uses less digits than its factorization.

65022538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 65022538 is about 8063.6553745804. The cubic root of 65022538 is about 402.1190418309.

The spelling of 65022538 in words is "sixty-five million, twenty-two thousand, five hundred thirty-eight".