22274951 has 2 divisors, whose sum is σ = 22274952. Its totient is φ = 22274950.

The previous prime is 22274933. The next prime is 22274963. The reversal of 22274951 is 15947222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22274951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22274921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11137475 + 11137476.

It is an arithmetic number, because the mean of its divisors is an integer number (11137476).

Almost surely, 2^22274951 is an apocalyptic number.

22274951 is a deficient number, since it is larger than the sum of its proper divisors (1).

22274951 is an equidigital number, since it uses as much as digits as its factorization.

22274951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 22274951 is about 4719.6346256887. The cubic root of 22274951 is about 281.3664119904.

The spelling of 22274951 in words is "twenty-two million, two hundred seventy-four thousand, nine hundred fifty-one".