33222340 has 12 divisors (see below), whose sum is σ = 69766956. Its totient is φ = 13288928.

The previous prime is 33222331. The next prime is 33222347. The reversal of 33222340 is 4322233.

It can be written as a sum of positive squares in 2 ways, for example, as 7354944 + 25867396 = 2712^2 + 5086^2 .

It is a super-2 number, since 2×33222340² = 2207447750151200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33222347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830539 + ... + 830578.

It is an arithmetic number, because the mean of its divisors is an integer number (5813913).

Almost surely, 2^33222340 is an apocalyptic number.

It is an amenable number.

33222340 is an abundant number, since it is smaller than the sum of its proper divisors (36544616).

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

33222340 is a wasteful number, since it uses less digits than its factorization.

33222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661126 (or 1661124 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 33222340 is about 5763.8823721516. The cubic root of 33222340 is about 321.4721880376.

Adding to 33222340 its reverse (4322233), we get a palindrome (37544573).

The spelling of 33222340 in words is "thirty-three million, two hundred twenty-two thousand, three hundred forty".