64522226 has 4 divisors (see below), whose sum is σ = 96783342. Its totient is φ = 32261112.

The previous prime is 64522219. The next prime is 64522243. The reversal of 64522226 is 62222546.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 26020201 = 6205^2 + 5101^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16130555 + ... + 16130558.

Almost surely, 2^64522226 is an apocalyptic number.

64522226 is a deficient number, since it is larger than the sum of its proper divisors (32261116).

64522226 is a wasteful number, since it uses less digits than its factorization.

64522226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32261115.

The product of its digits is 11520, while the sum is 29.

The square root of 64522226 is about 8032.5728132399. The cubic root of 64522226 is about 401.0850249741.

The spelling of 64522226 in words is "sixty-four million, five hundred twenty-two thousand, two hundred twenty-six".