22042630 has 16 divisors (see below), whose sum is σ = 40124160. Its totient is φ = 8717632.

The previous prime is 22042627. The next prime is 22042649. The reversal of 22042630 is 3624022.

It is a junction number, because it is equal to n+sod(n) for n = 22042598 and 22042607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11494 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (2507760).

Almost surely, 2^22042630 is an apocalyptic number.

22042630 is a deficient number, since it is larger than the sum of its proper divisors (18081530).

22042630 is a wasteful number, since it uses less digits than its factorization.

22042630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24863.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22042630 is about 4694.9579337839. The cubic root of 22042630 is about 280.3848025582.

Adding to 22042630 its reverse (3624022), we get a palindrome (25666652).

The spelling of 22042630 in words is "twenty-two million, forty-two thousand, six hundred thirty".