65870922 has 16 divisors (see below), whose sum is σ = 141876000. Its totient is φ = 20267952.

The previous prime is 65870879. The next prime is 65870927. The reversal of 65870922 is 22907856.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (65870927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422172 + ... + 422327.

It is an arithmetic number, because the mean of its divisors is an integer number (8867250).

Almost surely, 2^65870922 is an apocalyptic number.

65870922 is an abundant number, since it is smaller than the sum of its proper divisors (76005078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65870922 is a wasteful number, since it uses less digits than its factorization.

65870922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844517.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 65870922 is about 8116.0903149238. The cubic root of 65870922 is about 403.8603780177.

The spelling of 65870922 in words is "sixty-five million, eight hundred seventy thousand, nine hundred twenty-two".