22695949 has 2 divisors, whose sum is σ = 22695950. Its totient is φ = 22695948.

The previous prime is 22695923. The next prime is 22695997. The reversal of 22695949 is 94959622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18361225 + 4334724 = 4285^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 22695949 - 2⁷ = 22695821 is a prime.

It is a super-2 number, since 2×22695949² = 1030212202021202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22695899 and 22695908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22695349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11347974 + 11347975.

It is an arithmetic number, because the mean of its divisors is an integer number (11347975).

Almost surely, 2^22695949 is an apocalyptic number.

It is an amenable number.

22695949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22695949 is an equidigital number, since it uses as much as digits as its factorization.

22695949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The square root of 22695949 is about 4764.0265532425. The cubic root of 22695949 is about 283.1279746840.

The spelling of 22695949 in words is "twenty-two million, six hundred ninety-five thousand, nine hundred forty-nine".