64242200 has 48 divisors (see below), whose sum is σ = 162947160. Its totient is φ = 23360000.

The previous prime is 64242179. The next prime is 64242223. The reversal of 64242200 is 224246.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12401 + ... + 16800.

Almost surely, 2^64242200 is an apocalyptic number.

It is an amenable number.

64242200 is an abundant number, since it is smaller than the sum of its proper divisors (98704960).

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

64242200 is a wasteful number, since it uses less digits than its factorization.

64242200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29228 (or 29219 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 64242200 is about 8015.1232055409. The cubic root of 64242200 is about 400.5039481573.

Adding to 64242200 its reverse (224246), we get a palindrome (64466446).

The spelling of 64242200 in words is "sixty-four million, two hundred forty-two thousand, two hundred".