22312349 has 2 divisors, whose sum is σ = 22312350. Its totient is φ = 22312348.

The previous prime is 22312337. The next prime is 22312361. The reversal of 22312349 is 94321322.

It is a balanced prime because it is at equal distance from previous prime (22312337) and next prime (22312361).

It can be written as a sum of positive squares in only one way, i.e., 18645124 + 3667225 = 4318^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312349 - 2⁴ = 22312333 is a prime.

It is a super-3 number, since 3×22312349³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156174 + 11156175.

It is an arithmetic number, because the mean of its divisors is an integer number (11156175).

Almost surely, 2^22312349 is an apocalyptic number.

It is an amenable number.

22312349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312349 is an equidigital number, since it uses as much as digits as its factorization.

22312349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 22312349 is about 4723.5949233608. The cubic root of 22312349 is about 281.5237884340.

The spelling of 22312349 in words is "twenty-two million, three hundred twelve thousand, three hundred forty-nine".