22969951 has 4 divisors (see below), whose sum is σ = 23065504. Its totient is φ = 22874400.

The previous prime is 22969949. The next prime is 22969957. The reversal of 22969951 is 15996922.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22969951 - 2¹ = 22969949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22969898 and 22969907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22969957) 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, 47415 + ... + 47896.

It is an arithmetic number, because the mean of its divisors is an integer number (5766376).

Almost surely, 2^22969951 is an apocalyptic number.

22969951 is a deficient number, since it is larger than the sum of its proper divisors (95553).

22969951 is an equidigital number, since it uses as much as digits as its factorization.

22969951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95552.

The product of its digits is 87480, while the sum is 43.

The square root of 22969951 is about 4792.6976745879. The cubic root of 22969951 is about 284.2627956647.

The spelling of 22969951 in words is "twenty-two million, nine hundred sixty-nine thousand, nine hundred fifty-one".