22251514 has 4 divisors (see below), whose sum is σ = 33377274. Its totient is φ = 11125756.

The previous prime is 22251503. The next prime is 22251533. The reversal of 22251514 is 41515222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 10452289 = 3435^2 + 3233^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5562877 + ... + 5562880.

Almost surely, 2^22251514 is an apocalyptic number.

22251514 is a deficient number, since it is larger than the sum of its proper divisors (11125760).

22251514 is a wasteful number, since it uses less digits than its factorization.

22251514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125759.

The product of its digits is 800, while the sum is 22.

The square root of 22251514 is about 4717.1510469774. The cubic root of 22251514 is about 281.2676957426.

Adding to 22251514 its reverse (41515222), we get a palindrome (63766736).

The spelling of 22251514 in words is "twenty-two million, two hundred fifty-one thousand, five hundred fourteen".