22650460 has 96 divisors (see below), whose sum is σ = 59609088. Its totient is φ = 7050240.

The previous prime is 22650457. The next prime is 22650461. The reversal of 22650460 is 6405622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22650461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73627 + ... + 73933.

It is an arithmetic number, because the mean of its divisors is an integer number (620928).

Almost surely, 2^22650460 is an apocalyptic number.

22650460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

22650460 is the 2380-th decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22650460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29804544).

22650460 is an abundant number, since it is smaller than the sum of its proper divisors (36958628).

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

22650460 is a wasteful number, since it uses less digits than its factorization.

22650460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 22650460 is about 4759.2499409046. The cubic root of 22650460 is about 282.9386924095.

The spelling of 22650460 in words is "twenty-two million, six hundred fifty thousand, four hundred sixty".