22514040 has 48 divisors (see below), whose sum is σ = 73171800. Its totient is φ = 6003648.

The previous prime is 22514021. The next prime is 22514057. The reversal of 22514040 is 4041522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30910 + ... + 31629.

Almost surely, 2^22514040 is an apocalyptic number.

22514040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22514040 is an abundant number, since it is smaller than the sum of its proper divisors (50657760).

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

22514040 is a wasteful number, since it uses less digits than its factorization.

22514040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62556 (or 62549 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22514040 is about 4744.8962053980. The cubic root of 22514040 is about 282.3695171028.

Adding to 22514040 its reverse (4041522), we get a palindrome (26555562).

The spelling of 22514040 in words is "twenty-two million, five hundred fourteen thousand, forty".