22981430 has 8 divisors (see below), whose sum is σ = 41366592. Its totient is φ = 9192568.

The previous prime is 22981421. The next prime is 22981459. The reversal of 22981430 is 3418922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22981430² = 1056292249689800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22981393 and 22981402.

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, 1149062 + ... + 1149081.

It is an arithmetic number, because the mean of its divisors is an integer number (5170824).

Almost surely, 2^22981430 is an apocalyptic number.

22981430 is a deficient number, since it is larger than the sum of its proper divisors (18385162).

22981430 is a wasteful number, since it uses less digits than its factorization.

22981430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298150.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22981430 is about 4793.8950760316. The cubic root of 22981430 is about 284.3101402618.

The spelling of 22981430 in words is "twenty-two million, nine hundred eighty-one thousand, four hundred thirty".