22042070 has 8 divisors (see below), whose sum is σ = 39675744. Its totient is φ = 8816824.

The previous prime is 22042057. The next prime is 22042079. The reversal of 22042070 is 7024022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102094 + ... + 1102113.

It is an arithmetic number, because the mean of its divisors is an integer number (4959468).

Almost surely, 2^22042070 is an apocalyptic number.

22042070 is a deficient number, since it is larger than the sum of its proper divisors (17633674).

22042070 is a wasteful number, since it uses less digits than its factorization.

22042070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204214.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 22042070 is about 4694.8982949580. The cubic root of 22042070 is about 280.3824281165.

Adding to 22042070 its reverse (7024022), we get a palindrome (29066092).

The spelling of 22042070 in words is "twenty-two million, forty-two thousand, seventy".