33422247 has 32 divisors (see below), whose sum is σ = 51906560. Its totient is φ = 21228480.

The previous prime is 33422231. The next prime is 33422251. The reversal of 33422247 is 74222433.

It is not a de Polignac number, because 33422247 - 2⁴ = 33422231 is a prime.

It is a super-2 number, since 2×33422247² = 2234093189058018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33422247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33422227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60828 + ... + 61374.

It is an arithmetic number, because the mean of its divisors is an integer number (1622080).

Almost surely, 2^33422247 is an apocalyptic number.

33422247 is a deficient number, since it is larger than the sum of its proper divisors (18484313).

33422247 is a wasteful number, since it uses less digits than its factorization.

33422247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 654 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 33422247 is about 5781.1977132771. The cubic root of 33422247 is about 322.1156914889.

The spelling of 33422247 in words is "thirty-three million, four hundred twenty-two thousand, two hundred forty-seven".