22073130 has 24 divisors (see below), whose sum is σ = 57390372. Its totient is φ = 5886144.

The previous prime is 22073113. The next prime is 22073159. The reversal of 22073130 is 3137022.

It can be written as a sum of positive squares in 2 ways, for example, as 20820969 + 1252161 = 4563^2 + 1119^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122539 + ... + 122718.

Almost surely, 2^22073130 is an apocalyptic number.

22073130 is an abundant number, since it is smaller than the sum of its proper divisors (35317242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22073130 is a wasteful number, since it uses less digits than its factorization.

22073130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245270 (or 245267 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 22073130 is about 4698.2049763713. The cubic root of 22073130 is about 280.5140641332.

The spelling of 22073130 in words is "twenty-two million, seventy-three thousand, one hundred thirty".