64622022 has 16 divisors (see below), whose sum is σ = 130524912. Its totient is φ = 21327200.

The previous prime is 64621967. The next prime is 64622023. The reversal of 64622022 is 22022646.

It is a junction number, because it is equal to n+sod(n) for n = 64621983 and 64622001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64622023) 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, 52713 + ... + 53924.

It is an arithmetic number, because the mean of its divisors is an integer number (8157807).

Almost surely, 2^64622022 is an apocalyptic number.

64622022 is an abundant number, since it is smaller than the sum of its proper divisors (65902890).

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

64622022 is a wasteful number, since it uses less digits than its factorization.

64622022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106743.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64622022 is about 8038.7823704837. The cubic root of 64622022 is about 401.2917034323.

Adding to 64622022 its reverse (22022646), we get a palindrome (86644668).

The spelling of 64622022 in words is "sixty-four million, six hundred twenty-two thousand, twenty-two".