22514274 has 20 divisors (see below), whose sum is σ = 50449014. Its totient is φ = 7504704.

The previous prime is 22514257. The next prime is 22514279. The reversal of 22514274 is 47241522.

22514274 = 44⁴ + 45⁴ + ... + 48⁴.

It can be written as a sum of positive squares in only one way, i.e., 22496049 + 18225 = 4743^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22514279) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69327 + ... + 69650.

Almost surely, 2^22514274 is an apocalyptic number.

22514274 is an abundant number, since it is smaller than the sum of its proper divisors (27934740).

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

22514274 is a wasteful number, since it uses less digits than its factorization.

22514274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138991 (or 138982 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 22514274 is about 4744.9208634075. The cubic root of 22514274 is about 282.3704953700.

Adding to 22514274 its reverse (47241522), we get a palindrome (69755796).

The spelling of 22514274 in words is "twenty-two million, five hundred fourteen thousand, two hundred seventy-four".