2211090 has 32 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 505344.

The previous prime is 2211061. The next prime is 2211109. The reversal of 2211090 is 901122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5055 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (189540).

2^2211090 is an apocalyptic number.

2211090 is an abundant number, since it is smaller than the sum of its proper divisors (3854190).

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

2211090 is a wasteful number, since it uses less digits than its factorization.

2211090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10546.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2211090 is about 1486.9734362120. The cubic root of 2211090 is about 130.2773172736.

The spelling of 2211090 in words is "two million, two hundred eleven thousand, ninety".