33021274 has 16 divisors (see below), whose sum is σ = 58191840. Its totient is φ = 13854960.

The previous prime is 33021271. The next prime is 33021281. The reversal of 33021274 is 47212033.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (33021271) 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, 57444 + ... + 58015.

It is an arithmetic number, because the mean of its divisors is an integer number (3636990).

Almost surely, 2^33021274 is an apocalyptic number.

33021274 is a deficient number, since it is larger than the sum of its proper divisors (25170566).

33021274 is a wasteful number, since it uses less digits than its factorization.

33021274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115485.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 33021274 is about 5746.4140122341. The cubic root of 33021274 is about 320.8223445422.

The spelling of 33021274 in words is "thirty-three million, twenty-one thousand, two hundred seventy-four".