2212090 has 8 divisors (see below), whose sum is σ = 3981780. Its totient is φ = 884832.

The previous prime is 2212081. The next prime is 2212097. The reversal of 2212090 is 902122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 24649 = 1479^2 + 157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2212097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110595 + ... + 110614.

2^2212090 is an apocalyptic number.

2212090 is a deficient number, since it is larger than the sum of its proper divisors (1769690).

2212090 is a wasteful number, since it uses less digits than its factorization.

2212090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221216.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2212090 is about 1487.3096516866. The cubic root of 2212090 is about 130.2969542976.

The spelling of 2212090 in words is "two million, two hundred twelve thousand, ninety".