22458630 has 32 divisors (see below), whose sum is σ = 55360224. Its totient is φ = 5826816.

The previous prime is 22458617. The next prime is 22458641. The reversal of 22458630 is 3685422.

It is a super-2 number, since 2×22458630² = 1008780122953800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9007 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (1730007).

Almost surely, 2^22458630 is an apocalyptic number.

22458630 is an abundant number, since it is smaller than the sum of its proper divisors (32901594).

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

22458630 is a wasteful number, since it uses less digits than its factorization.

22458630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22458630 is about 4739.0537030087. The cubic root of 22458630 is about 282.1376773528.

It can be divided in two parts, 22458 and 630, that multiplied together give a triangular number (14148540 = T₅₃₁₉).

The spelling of 22458630 in words is "twenty-two million, four hundred fifty-eight thousand, six hundred thirty".