64254522 has 16 divisors (see below), whose sum is σ = 128588832. Its totient is φ = 21404880.

The previous prime is 64254493. The next prime is 64254559. The reversal of 64254522 is 22545246.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64254522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14493 + ... + 18399.

It is an arithmetic number, because the mean of its divisors is an integer number (8036802).

Almost surely, 2^64254522 is an apocalyptic number.

64254522 is an abundant number, since it is smaller than the sum of its proper divisors (64334310).

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

64254522 is a wasteful number, since it uses less digits than its factorization.

64254522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653.

The product of its digits is 19200, while the sum is 30.

The square root of 64254522 is about 8015.8918405877. The cubic root of 64254522 is about 400.5295527919.

Adding to 64254522 its reverse (22545246), we get a palindrome (86799768).

The spelling of 64254522 in words is "sixty-four million, two hundred fifty-four thousand, five hundred twenty-two".