64226502 has 24 divisors (see below), whose sum is σ = 140049936. Its totient is φ = 21271536.

The previous prime is 64226489. The next prime is 64226509. The reversal of 64226502 is 20562246.

64226502 is a `hidden beast` number, since 6 + 4 + 2 + 2 + 650 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64226509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8538 + ... + 14189.

It is an arithmetic number, because the mean of its divisors is an integer number (5835414).

Almost surely, 2^64226502 is an apocalyptic number.

64226502 is an abundant number, since it is smaller than the sum of its proper divisors (75823434).

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

64226502 is a wasteful number, since it uses less digits than its factorization.

64226502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22892 (or 22889 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 64226502 is about 8014.1438719304. The cubic root of 64226502 is about 400.4713235837.

Adding to 64226502 its reverse (20562246), we get a palindrome (84788748).

The spelling of 64226502 in words is "sixty-four million, two hundred twenty-six thousand, five hundred two".