22030456 has 16 divisors (see below), whose sum is σ = 47208240. Its totient is φ = 9441600.

The previous prime is 22030439. The next prime is 22030483. The reversal of 22030456 is 65403022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196645 + ... + 196756.

It is an arithmetic number, because the mean of its divisors is an integer number (2950515).

Almost surely, 2^22030456 is an apocalyptic number.

It is an amenable number.

22030456 is an abundant number, since it is smaller than the sum of its proper divisors (25177784).

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

22030456 is a wasteful number, since it uses less digits than its factorization.

22030456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393414 (or 393410 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22030456 is about 4693.6612574833. The cubic root of 22030456 is about 280.3331748232. Note that the first 3 decimals are identical.

Adding to 22030456 its reverse (65403022), we get a palindrome (87433478).

The spelling of 22030456 in words is "twenty-two million, thirty thousand, four hundred fifty-six".