22430031 has 8 divisors (see below), whose sum is σ = 32207280. Its totient is φ = 13803072.

The previous prime is 22429999. The next prime is 22430041. The reversal of 22430031 is 13003422.

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

It is not a de Polignac number, because 22430031 - 2⁵ = 22429999 is a prime.

It is a super-2 number, since 2×22430031² = 1006212581321922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287526 + ... + 287603.

It is an arithmetic number, because the mean of its divisors is an integer number (4025910).

Almost surely, 2^22430031 is an apocalyptic number.

22430031 is a deficient number, since it is larger than the sum of its proper divisors (9777249).

22430031 is a wasteful number, since it uses less digits than its factorization.

22430031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575145.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22430031 is about 4736.0353672666. The cubic root of 22430031 is about 282.0178676873.

Adding to 22430031 its reverse (13003422), we get a palindrome (35433453).

The spelling of 22430031 in words is "twenty-two million, four hundred thirty thousand, thirty-one".