64224156 has 48 divisors (see below), whose sum is σ = 155939840. Its totient is φ = 20554560.

The previous prime is 64224151. The next prime is 64224179. The reversal of 64224156 is 65142246.

64224156 = T₄₇₃ + T₄₇₄ + ... + T₇₈₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34161 + ... + 35991.

Almost surely, 2^64224156 is an apocalyptic number.

It is an amenable number.

64224156 is an abundant number, since it is smaller than the sum of its proper divisors (91715684).

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

64224156 is a wasteful number, since it uses less digits than its factorization.

64224156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1952 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 64224156 is about 8013.9975043670. The cubic root of 64224156 is about 400.4664475220.

The spelling of 64224156 in words is "sixty-four million, two hundred twenty-four thousand, one hundred fifty-six".