72022124 has 12 divisors (see below), whose sum is σ = 128417184. Its totient is φ = 35331504.

The previous prime is 72022123. The next prime is 72022157. The reversal of 72022124 is 42122027.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72022096 and 72022105.

It is not an unprimeable number, because it can be changed into a prime (72022123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169652 + ... + 170075.

It is an arithmetic number, because the mean of its divisors is an integer number (10701432).

Almost surely, 2^72022124 is an apocalyptic number.

It is an amenable number.

72022124 is a deficient number, since it is larger than the sum of its proper divisors (56395060).

72022124 is a wasteful number, since it uses less digits than its factorization.

72022124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339784 (or 339782 counting only the distinct ones).

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

The square root of 72022124 is about 8486.5849433091. The cubic root of 72022124 is about 416.0593711490.

The spelling of 72022124 in words is "seventy-two million, twenty-two thousand, one hundred twenty-four".