22854630 has 64 divisors (see below), whose sum is σ = 59548608. Its totient is φ = 5591040.

The previous prime is 22854619. The next prime is 22854649. The reversal of 22854630 is 3645822.

It is a super-2 number, since 2×22854630² = 1044668224873800, which contains 22 as substring.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20364 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (930447).

Almost surely, 2^22854630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22854630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29774304).

22854630 is an abundant number, since it is smaller than the sum of its proper divisors (36693978).

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

22854630 is a wasteful number, since it uses less digits than its factorization.

22854630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

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

The square root of 22854630 is about 4780.6516292238. The cubic root of 22854630 is about 283.7862820470.

The spelling of 22854630 in words is "twenty-two million, eight hundred fifty-four thousand, six hundred thirty".