22461450 has 48 divisors (see below), whose sum is σ = 60772896. Its totient is φ = 5444800.

The previous prime is 22461431. The next prime is 22461463. The reversal of 22461450 is 5416422.

It is a super-2 number, since 2×22461450² = 1009033472205000, which contains 22 as substring.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 22461450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5157 + ... + 8456.

It is an arithmetic number, because the mean of its divisors is an integer number (1266102).

Almost surely, 2^22461450 is an apocalyptic number.

22461450 is an abundant number, since it is smaller than the sum of its proper divisors (38311446).

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

22461450 is a wasteful number, since it uses less digits than its factorization.

22461450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13639 (or 13634 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22461450 is about 4739.3512214226. The cubic root of 22461450 is about 282.1494856562.

Adding to 22461450 its reverse (5416422), we get a palindrome (27877872).

The spelling of 22461450 in words is "twenty-two million, four hundred sixty-one thousand, four hundred fifty".