64225558 has 32 divisors (see below), whose sum is σ = 104859360. Its totient is φ = 29391360.

The previous prime is 64225549. The next prime is 64225589. The reversal of 64225558 is 85552246.

It is a super-3 number, since 3×64225558³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358713 + ... + 358891.

It is an arithmetic number, because the mean of its divisors is an integer number (3276855).

Almost surely, 2^64225558 is an apocalyptic number.

64225558 is a deficient number, since it is larger than the sum of its proper divisors (40633802).

64225558 is a wasteful number, since it uses less digits than its factorization.

64225558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 96000, while the sum is 37.

The square root of 64225558 is about 8014.0849758410. The cubic root of 64225558 is about 400.4693615340.

The spelling of 64225558 in words is "sixty-four million, two hundred twenty-five thousand, five hundred fifty-eight".