2911222 has 8 divisors (see below), whose sum is σ = 4390272. Its totient is φ = 1447800.

The previous prime is 2911211. The next prime is 2911243. The reversal of 2911222 is 2221192.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2911222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3429 + ... + 4192.

It is an arithmetic number, because the mean of its divisors is an integer number (548784).

2^2911222 is an apocalyptic number.

2911222 is a deficient number, since it is larger than the sum of its proper divisors (1479050).

2911222 is a wasteful number, since it uses less digits than its factorization.

2911222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814.

The product of its digits is 144, while the sum is 19.

The square root of 2911222 is about 1706.2303478722. The cubic root of 2911222 is about 142.7880211321.

The spelling of 2911222 in words is "two million, nine hundred eleven thousand, two hundred twenty-two".