22955851 has 4 divisors (see below), whose sum is σ = 23489752. Its totient is φ = 22421952.

The previous prime is 22955833. The next prime is 22955861. The reversal of 22955851 is 15855922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22955851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22955851.

It is not an unprimeable number, because it can be changed into a prime (22955861) 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, 266886 + ... + 266971.

It is an arithmetic number, because the mean of its divisors is an integer number (5872438).

Almost surely, 2^22955851 is an apocalyptic number.

22955851 is a deficient number, since it is larger than the sum of its proper divisors (533901).

22955851 is an equidigital number, since it uses as much as digits as its factorization.

22955851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533900.

The product of its digits is 36000, while the sum is 37.

The square root of 22955851 is about 4791.2264609388. The cubic root of 22955851 is about 284.2046192844.

The spelling of 22955851 in words is "twenty-two million, nine hundred fifty-five thousand, eight hundred fifty-one".