33244397 has 2 divisors, whose sum is σ = 33244398. Its totient is φ = 33244396.

The previous prime is 33244381. The next prime is 33244423. The reversal of 33244397 is 79344233.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29964676 + 3279721 = 5474^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 33244397 - 2⁴ = 33244381 is a prime.

It is a super-2 number, since 2×33244397² = 2210379863787218, which contains 22 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 (33244327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622198 + 16622199.

It is an arithmetic number, because the mean of its divisors is an integer number (16622199).

Almost surely, 2^33244397 is an apocalyptic number.

It is an amenable number.

33244397 is a deficient number, since it is larger than the sum of its proper divisors (1).

33244397 is an equidigital number, since it uses as much as digits as its factorization.

33244397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

The square root of 33244397 is about 5765.7954351503. The cubic root of 33244397 is about 321.5433163146.

The spelling of 33244397 in words is "thirty-three million, two hundred forty-four thousand, three hundred ninety-seven".