64422470 has 32 divisors (see below), whose sum is σ = 133152768. Its totient is φ = 21983328.

The previous prime is 64422461. The next prime is 64422481. The reversal of 64422470 is 7422446.

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, 13547 + ... + 17673.

It is an arithmetic number, because the mean of its divisors is an integer number (4161024).

Almost surely, 2^64422470 is an apocalyptic number.

64422470 is an abundant number, since it is smaller than the sum of its proper divisors (68730298).

64422470 is a wasteful number, since it uses less digits than its factorization.

64422470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 64422470 is about 8026.3609437902. The cubic root of 64422470 is about 400.8782162627.

The spelling of 64422470 in words is "sixty-four million, four hundred twenty-two thousand, four hundred seventy".