22768951 has 4 divisors (see below), whose sum is σ = 22818592. Its totient is φ = 22719312.

The previous prime is 22768939. The next prime is 22768987. The reversal of 22768951 is 15986722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15986722 = 2 ⋅7993361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22768951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22760951) 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, 24126 + ... + 25051.

It is an arithmetic number, because the mean of its divisors is an integer number (5704648).

Almost surely, 2^22768951 is an apocalyptic number.

22768951 is a deficient number, since it is larger than the sum of its proper divisors (49641).

22768951 is an equidigital number, since it uses as much as digits as its factorization.

22768951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49640.

The product of its digits is 60480, while the sum is 40.

The square root of 22768951 is about 4771.6821981352. The cubic root of 22768951 is about 283.4312121657.

The spelling of 22768951 in words is "twenty-two million, seven hundred sixty-eight thousand, nine hundred fifty-one".