22022042 has 16 divisors (see below), whose sum is σ = 37901952. Its totient is φ = 9400560.

The previous prime is 22022041. The next prime is 22022047. The reversal of 22022042 is 24022022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (22022041) 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, 692 + ... + 6672.

It is an arithmetic number, because the mean of its divisors is an integer number (2368872).

Almost surely, 2^22022042 is an apocalyptic number.

22022042 is a deficient number, since it is larger than the sum of its proper divisors (15879910).

22022042 is a wasteful number, since it uses less digits than its factorization.

22022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22022042 is about 4692.7648566703. The cubic root of 22022042 is about 280.2974814528.

Adding to 22022042 its reverse (24022022), we get a palindrome (46044064).

The spelling of 22022042 in words is "twenty-two million, twenty-two thousand, forty-two".