22022046 has 12 divisors (see below), whose sum is σ = 47714472. Its totient is φ = 7340676.

The previous prime is 22022041. The next prime is 22022047. The reversal of 22022046 is 64022022.

It is a happy number.

It is a super-2 number, since 2×22022046² = 969941020052232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1223447 = 22022046 / (2 + 2 + 0 + 2 + 2 + 0 + 4 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611706 + ... + 611741.

It is an arithmetic number, because the mean of its divisors is an integer number (3976206).

Almost surely, 2^22022046 is an apocalyptic number.

22022046 is an abundant number, since it is smaller than the sum of its proper divisors (25692426).

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

22022046 is a wasteful number, since it uses less digits than its factorization.

22022046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223455 (or 1223452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22022046 is about 4692.7652828583. The cubic root of 22022046 is about 280.2974984235.

Adding to 22022046 its reverse (64022022), we get a palindrome (86044068).

The spelling of 22022046 in words is "twenty-two million, twenty-two thousand, forty-six".