64427622 has 32 divisors (see below), whose sum is σ = 148131072. Its totient is φ = 18299424.

The previous prime is 64427617. The next prime is 64427653. The reversal of 64427622 is 22672446.

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, 2833 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (4629096).

Almost surely, 2^64427622 is an apocalyptic number.

64427622 is an abundant number, since it is smaller than the sum of its proper divisors (83703450).

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

64427622 is a wasteful number, since it uses less digits than its factorization.

64427622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052.

The product of its digits is 32256, while the sum is 33.

The square root of 64427622 is about 8026.6818798305. The cubic root of 64427622 is about 400.8889023350. Note that the first 3 decimals are identical.

The spelling of 64427622 in words is "sixty-four million, four hundred twenty-seven thousand, six hundred twenty-two".