64225522 has 8 divisors (see below), whose sum is σ = 100526976. Its totient is φ = 30716532.

The previous prime is 64225519. The next prime is 64225537. The reversal of 64225522 is 22552246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 698058 + ... + 698149.

It is an arithmetic number, because the mean of its divisors is an integer number (12565872).

Almost surely, 2^64225522 is an apocalyptic number.

64225522 is a deficient number, since it is larger than the sum of its proper divisors (36301454).

64225522 is a wasteful number, since it uses less digits than its factorization.

64225522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396232.

The product of its digits is 9600, while the sum is 28.

The square root of 64225522 is about 8014.0827297951. The cubic root of 64225522 is about 400.4692867096.

Adding to 64225522 its reverse (22552246), we get a palindrome (86777768).

The spelling of 64225522 in words is "sixty-four million, two hundred twenty-five thousand, five hundred twenty-two".