22315049 has 2 divisors, whose sum is σ = 22315050. Its totient is φ = 22315048.

The previous prime is 22315031. The next prime is 22315061. The reversal of 22315049 is 94051322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20976400 + 1338649 = 4580^2 + 1157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22315049 is a prime.

It is a super-3 number, since 3×22315049³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_1407770 and since 22315049 and 1407770 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22315019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11157524 + 11157525.

It is an arithmetic number, because the mean of its divisors is an integer number (11157525).

Almost surely, 2^22315049 is an apocalyptic number.

It is an amenable number.

22315049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22315049 is an equidigital number, since it uses as much as digits as its factorization.

22315049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22315049 is about 4723.8807139893. The cubic root of 22315049 is about 281.5351436342.

The spelling of 22315049 in words is "twenty-two million, three hundred fifteen thousand, forty-nine".