22762540 has 12 divisors (see below), whose sum is σ = 47801376. Its totient is φ = 9105008.

The previous prime is 22762517. The next prime is 22762543. The reversal of 22762540 is 4526722.

It is a junction number, because it is equal to n+sod(n) for n = 22762499 and 22762508.

It is not an unprimeable number, because it can be changed into a prime (22762543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569044 + ... + 569083.

It is an arithmetic number, because the mean of its divisors is an integer number (3983448).

Almost surely, 2^22762540 is an apocalyptic number.

22762540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22762540 is an abundant number, since it is smaller than the sum of its proper divisors (25038836).

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

22762540 is a wasteful number, since it uses less digits than its factorization.

22762540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138136 (or 1138134 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22762540 is about 4771.0103751721. The cubic root of 22762540 is about 283.4046079819.

The spelling of 22762540 in words is "twenty-two million, seven hundred sixty-two thousand, five hundred forty".