3222990 has 80 divisors (see below), whose sum is σ = 9095328. Its totient is φ = 817344.

The previous prime is 3222971. The next prime is 3222991. The reversal of 3222990 is 992223.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222991) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18544 + ... + 18716.

Almost surely, 2^3222990 is an apocalyptic number.

3222990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3222990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4547664).

3222990 is an abundant number, since it is smaller than the sum of its proper divisors (5872338).

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

3222990 is a wasteful number, since it uses less digits than its factorization.

3222990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3222990 is about 1795.2687821048. The cubic root of 3222990 is about 147.7133176992.

The spelling of 3222990 in words is "three million, two hundred twenty-two thousand, nine hundred ninety".