22072124 has 12 divisors (see below), whose sum is σ = 39872448. Its totient is φ = 10680000.

The previous prime is 22072121. The next prime is 22072139. The reversal of 22072124 is 42127022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22072096 and 22072105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22072121) 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, 88877 + ... + 89124.

It is an arithmetic number, because the mean of its divisors is an integer number (3322704).

Almost surely, 2^22072124 is an apocalyptic number.

It is an amenable number.

22072124 is a deficient number, since it is larger than the sum of its proper divisors (17800324).

22072124 is a wasteful number, since it uses less digits than its factorization.

22072124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178036 (or 178034 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22072124 is about 4698.0979129856. The cubic root of 22072124 is about 280.5098025199.

Adding to 22072124 its reverse (42127022), we get a palindrome (64199146).

The spelling of 22072124 in words is "twenty-two million, seventy-two thousand, one hundred twenty-four".