64229216 has 24 divisors (see below), whose sum is σ = 128840544. Its totient is φ = 31507840.

The previous prime is 64229203. The next prime is 64229219. The reversal of 64229216 is 61292246.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64229219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17240 + ... + 20631.

It is an arithmetic number, because the mean of its divisors is an integer number (5368356).

Almost surely, 2^64229216 is an apocalyptic number.

It is an amenable number.

64229216 is an abundant number, since it is smaller than the sum of its proper divisors (64611328).

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

64229216 is a wasteful number, since it uses less digits than its factorization.

64229216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37934 (or 37926 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 64229216 is about 8014.3131957767. The cubic root of 64229216 is about 400.4769643698.

The spelling of 64229216 in words is "sixty-four million, two hundred twenty-nine thousand, two hundred sixteen".