22042970 has 32 divisors (see below), whose sum is σ = 41679360. Its totient is φ = 8377600.

The previous prime is 22042949. The next prime is 22042981. The reversal of 22042970 is 7924022.

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 15 ways as a sum of consecutive naturals, for example, 54770 + ... + 55170.

It is an arithmetic number, because the mean of its divisors is an integer number (1302480).

Almost surely, 2^22042970 is an apocalyptic number.

22042970 is a deficient number, since it is larger than the sum of its proper divisors (19636390).

22042970 is a wasteful number, since it uses less digits than its factorization.

22042970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22042970 is about 4694.9941427014. The cubic root of 22042970 is about 280.3862441639.

Adding to 22042970 its reverse (7924022), we get a palindrome (29966992).

The spelling of 22042970 in words is "twenty-two million, forty-two thousand, nine hundred seventy".