64227516 has 48 divisors (see below), whose sum is σ = 152681760. Its totient is φ = 21011200.

The previous prime is 64227503. The next prime is 64227533. The reversal of 64227516 is 61572246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238630 + ... + 238898.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^64227516 is an apocalyptic number.

It is an amenable number.

64227516 is an abundant number, since it is smaller than the sum of its proper divisors (88454244).

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

64227516 is a wasteful number, since it uses less digits than its factorization.

64227516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 64227516 is about 8014.2071348325. The cubic root of 64227516 is about 400.4734311031.

The spelling of 64227516 in words is "sixty-four million, two hundred twenty-seven thousand, five hundred sixteen".