33957222 has 16 divisors (see below), whose sum is σ = 73138800. Its totient is φ = 10448352.

The previous prime is 33957221. The next prime is 33957233. The reversal of 33957222 is 22275933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33957221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217597 + ... + 217752.

It is an arithmetic number, because the mean of its divisors is an integer number (4571175).

Almost surely, 2^33957222 is an apocalyptic number.

33957222 is an abundant number, since it is smaller than the sum of its proper divisors (39181578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33957222 is a wasteful number, since it uses less digits than its factorization.

33957222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435367.

The product of its digits is 22680, while the sum is 33.

The square root of 33957222 is about 5827.2825570758. The cubic root of 33957222 is about 323.8252563284.

The spelling of 33957222 in words is "thirty-three million, nine hundred fifty-seven thousand, two hundred twenty-two".