33244157 has 2 divisors, whose sum is σ = 33244158. Its totient is φ = 33244156.

The previous prime is 33244147. The next prime is 33244187. The reversal of 33244157 is 75144233.

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., 21724921 + 11519236 = 4661^2 + 3394^2 .

It is a cyclic number.

It is not a de Polignac number, because 33244157 - 2¹⁴ = 33227773 is a prime.

It is a super-2 number, since 2×33244157² = 2210347949281298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33244147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622078 + 16622079.

It is an arithmetic number, because the mean of its divisors is an integer number (16622079).

Almost surely, 2^33244157 is an apocalyptic number.

It is an amenable number.

33244157 is a deficient number, since it is larger than the sum of its proper divisors (1).

33244157 is an equidigital number, since it uses as much as digits as its factorization.

33244157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 33244157 is about 5765.7746227198. The cubic root of 33244157 is about 321.5425425443.

The spelling of 33244157 in words is "thirty-three million, two hundred forty-four thousand, one hundred fifty-seven".