2272890 has 32 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 601664.

The previous prime is 2272861. The next prime is 2272903. The reversal of 2272890 is 982722.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^2272890 is an apocalyptic number.

2272890 is an abundant number, since it is smaller than the sum of its proper divisors (3222150).

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

2272890 is a wasteful number, since it uses less digits than its factorization.

2272890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2272890 is about 1507.6106924535. The cubic root of 2272890 is about 131.4799325544.

The spelling of 2272890 in words is "two million, two hundred seventy-two thousand, eight hundred ninety".