22514140 has 24 divisors (see below), whose sum is σ = 51578352. Its totient is φ = 8186880.

The previous prime is 22514123. The next prime is 22514143. The reversal of 22514140 is 4141522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22514143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50949 + ... + 51388.

It is an arithmetic number, because the mean of its divisors is an integer number (2149098).

Almost surely, 2^22514140 is an apocalyptic number.

22514140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22514140 is an abundant number, since it is smaller than the sum of its proper divisors (29064212).

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

22514140 is a wasteful number, since it uses less digits than its factorization.

22514140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102357 (or 102355 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 22514140 is about 4744.9067430246. The cubic root of 22514140 is about 282.3699351666.

Adding to 22514140 its reverse (4141522), we get a palindrome (26655662).

It can be divided in two parts, 225 and 14140, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 22514140 in words is "twenty-two million, five hundred fourteen thousand, one hundred forty".