22042262 has 16 divisors (see below), whose sum is σ = 37314000. Its totient is φ = 9673440.

The previous prime is 22042249. The next prime is 22042301. The reversal of 22042262 is 26224022.

It is a super-2 number, since 2×22042262² = 971722628153288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16637 + ... + 17912.

It is an arithmetic number, because the mean of its divisors is an integer number (2332125).

Almost surely, 2^22042262 is an apocalyptic number.

22042262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22042262 is a deficient number, since it is larger than the sum of its proper divisors (15271738).

22042262 is a wasteful number, since it uses less digits than its factorization.

22042262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34591.

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

The square root of 22042262 is about 4694.9187426408. The cubic root of 22042262 is about 280.3832422154.

Adding to 22042262 its reverse (26224022), we get a palindrome (48266284).

The spelling of 22042262 in words is "twenty-two million, forty-two thousand, two hundred sixty-two".