64340922 has 16 divisors (see below), whose sum is σ = 128794752. Its totient is φ = 21428160.

The previous prime is 64340921. The next prime is 64340933. The reversal of 64340922 is 22904346.

It is a self number, because there is not a number n which added to its sum of digits gives 64340922.

It is not an unprimeable number, because it can be changed into a prime (64340921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 12002.

It is an arithmetic number, because the mean of its divisors is an integer number (8049672).

Almost surely, 2^64340922 is an apocalyptic number.

64340922 is an abundant number, since it is smaller than the sum of its proper divisors (64453830).

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

64340922 is a wasteful number, since it uses less digits than its factorization.

64340922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9413.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 64340922 is about 8021.2793243971. The cubic root of 64340922 is about 400.7089967333.

The spelling of 64340922 in words is "sixty-four million, three hundred forty thousand, nine hundred twenty-two".