2252280 has 48 divisors (see below), whose sum is σ = 6806520. Its totient is φ = 596224.

The previous prime is 2252273. The next prime is 2252309. The reversal of 2252280 is 822522.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16372 + ... + 16508.

2^2252280 is an apocalyptic number.

2252280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2252280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403260).

2252280 is an abundant number, since it is smaller than the sum of its proper divisors (4554240).

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

2252280 is a wasteful number, since it uses less digits than its factorization.

2252280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2252280 is about 1500.7598075642. The cubic root of 2252280 is about 131.0813161785.

The spelling of 2252280 in words is "two million, two hundred fifty-two thousand, two hundred eighty".