64422498 has 32 divisors (see below), whose sum is σ = 147498624. Its totient is φ = 18375552.

The previous prime is 64422497. The next prime is 64422499. The reversal of 64422498 is 89422446.

It is an interprime number because it is at equal distance from previous prime (64422497) and next prime (64422499).

It is not an unprimeable number, because it can be changed into a prime (64422497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38536 + ... + 40172.

It is an arithmetic number, because the mean of its divisors is an integer number (4609332).

Almost surely, 2^64422498 is an apocalyptic number.

64422498 is an abundant number, since it is smaller than the sum of its proper divisors (83076126).

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

64422498 is a wasteful number, since it uses less digits than its factorization.

64422498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586.

The product of its digits is 110592, while the sum is 39.

The square root of 64422498 is about 8026.3626880424. The cubic root of 64422498 is about 400.8782743407.

The spelling of 64422498 in words is "sixty-four million, four hundred twenty-two thousand, four hundred ninety-eight".