22434460 has 12 divisors (see below), whose sum is σ = 47112408. Its totient is φ = 8973776.

The previous prime is 22434457. The next prime is 22434473. The reversal of 22434460 is 6443422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560842 + ... + 560881.

It is an arithmetic number, because the mean of its divisors is an integer number (3926034).

Almost surely, 2^22434460 is an apocalyptic number.

22434460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22434460 is an abundant number, since it is smaller than the sum of its proper divisors (24677948).

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

22434460 is a wasteful number, since it uses less digits than its factorization.

22434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121732 (or 1121730 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 22434460 is about 4736.5029293773. The cubic root of 22434460 is about 282.0364287396.

Adding to 22434460 its reverse (6443422), we get a palindrome (28877882).

The spelling of 22434460 in words is "twenty-two million, four hundred thirty-four thousand, four hundred sixty".