22460540 has 24 divisors (see below), whose sum is σ = 47604480. Its totient is φ = 8900928.

The previous prime is 22460539. The next prime is 22460551. The reversal of 22460540 is 4506422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (1983520).

Almost surely, 2^22460540 is an apocalyptic number.

22460540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22460540 is an abundant number, since it is smaller than the sum of its proper divisors (25143940).

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

22460540 is a wasteful number, since it uses less digits than its factorization.

22460540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421 (or 10419 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22460540 is about 4739.2552157486. The cubic root of 22460540 is about 282.1456752833.

Adding to 22460540 its reverse (4506422), we get a palindrome (26966962).

The spelling of 22460540 in words is "twenty-two million, four hundred sixty thousand, five hundred forty".