33374221 has 8 divisors (see below), whose sum is σ = 33718464. Its totient is φ = 33032160.

The previous prime is 33374207. The next prime is 33374227. The reversal of 33374221 is 12247333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33374221 - 2⁷ = 33374093 is a prime.

It is a super-2 number, since 2×33374221² = 2227677254713682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33374227) 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, 52576 + ... + 53206.

It is an arithmetic number, because the mean of its divisors is an integer number (4214808).

Almost surely, 2^33374221 is an apocalyptic number.

It is an amenable number.

33374221 is a deficient number, since it is larger than the sum of its proper divisors (344243).

33374221 is a wasteful number, since it uses less digits than its factorization.

33374221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 3024, while the sum is 25.

The square root of 33374221 is about 5777.0425824984. The cubic root of 33374221 is about 321.9613297954.

The spelling of 33374221 in words is "thirty-three million, three hundred seventy-four thousand, two hundred twenty-one".