64610226 has 12 divisors (see below), whose sum is σ = 139988862. Its totient is φ = 21536736.

The previous prime is 64610191. The next prime is 64610239. The reversal of 64610226 is 62201646.

It is a happy number.

64610226 is a `hidden beast` number, since 646 + 10 + 2 + 2 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60606225 + 4004001 = 7785^2 + 2001^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 64610226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1794711 + ... + 1794746.

Almost surely, 2^64610226 is an apocalyptic number.

64610226 is an abundant number, since it is smaller than the sum of its proper divisors (75378636).

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

64610226 is a wasteful number, since it uses less digits than its factorization.

64610226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589465 (or 3589462 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64610226 is about 8038.0486437941. The cubic root of 64610226 is about 401.2672848990.

The spelling of 64610226 in words is "sixty-four million, six hundred ten thousand, two hundred twenty-six".