64216362 has 24 divisors (see below), whose sum is σ = 149402016. Its totient is φ = 18347448.

The previous prime is 64216319. The next prime is 64216363. The reversal of 64216362 is 26361246.

It is a super-2 number, since 2×64216362² = 8247482297030088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64216363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108918 + ... + 109505.

It is an arithmetic number, because the mean of its divisors is an integer number (6225084).

Almost surely, 2^64216362 is an apocalyptic number.

64216362 is an abundant number, since it is smaller than the sum of its proper divisors (85185654).

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

64216362 is a wasteful number, since it uses less digits than its factorization.

64216362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218442 (or 218435 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 64216362 is about 8013.5112154411. The cubic root of 64216362 is about 400.4502471702.

The spelling of 64216362 in words is "sixty-four million, two hundred sixteen thousand, three hundred sixty-two".