64222022 has 16 divisors (see below), whose sum is σ = 104172480. Its totient is φ = 29578368.

The previous prime is 64222019. The next prime is 64222063. The reversal of 64222022 is 22022246.

It is a junction number, because it is equal to n+sod(n) for n = 64221985 and 64222003.

It is a congruent number.

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, 18497 + ... + 21692.

It is an arithmetic number, because the mean of its divisors is an integer number (6510780).

Almost surely, 2^64222022 is an apocalyptic number.

64222022 is a deficient number, since it is larger than the sum of its proper divisors (39950458).

64222022 is a wasteful number, since it uses less digits than its factorization.

64222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40255.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 64222022 is about 8013.8643612180. The cubic root of 64222022 is about 400.4620119902.

Adding to 64222022 its reverse (22022246), we get a palindrome (86244268).

The spelling of 64222022 in words is "sixty-four million, two hundred twenty-two thousand, twenty-two".