64204722 has 48 divisors (see below), whose sum is σ = 142247040. Its totient is φ = 20925216.

The previous prime is 64204717. The next prime is 64204739. The reversal of 64204722 is 22740246.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231648 + ... + 231924.

It is an arithmetic number, because the mean of its divisors is an integer number (2963480).

Almost surely, 2^64204722 is an apocalyptic number.

64204722 is an abundant number, since it is smaller than the sum of its proper divisors (78042318).

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

64204722 is a wasteful number, since it uses less digits than its factorization.

64204722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 64204722 is about 8012.7849091312. The cubic root of 64204722 is about 400.4260502086.

Adding to 64204722 its reverse (22740246), we get a palindrome (86944968).

The spelling of 64204722 in words is "sixty-four million, two hundred four thousand, seven hundred twenty-two".