22268651 has 4 divisors (see below), whose sum is σ = 22537032. Its totient is φ = 22000272.

The previous prime is 22268579. The next prime is 22268671. The reversal of 22268651 is 15686222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15686222 = 2 ⋅7843111.

It is a cyclic number.

It is not a de Polignac number, because 22268651 - 2¹⁴ = 22252267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22268671) 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, 134066 + ... + 134231.

It is an arithmetic number, because the mean of its divisors is an integer number (5634258).

Almost surely, 2^22268651 is an apocalyptic number.

22268651 is a deficient number, since it is larger than the sum of its proper divisors (268381).

22268651 is an equidigital number, since it uses as much as digits as its factorization.

22268651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268380.

The product of its digits is 11520, while the sum is 32.

The square root of 22268651 is about 4718.9671539438. The cubic root of 22268651 is about 281.3398833045.

The spelling of 22268651 in words is "twenty-two million, two hundred sixty-eight thousand, six hundred fifty-one".