2137222 has 4 divisors (see below), whose sum is σ = 3205836. Its totient is φ = 1068610.

The previous prime is 2137211. The next prime is 2137237. The reversal of 2137222 is 2227312.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2137222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534304 + ... + 534307.

It is an arithmetic number, because the mean of its divisors is an integer number (801459).

2^2137222 is an apocalyptic number.

2137222 is a deficient number, since it is larger than the sum of its proper divisors (1068614).

2137222 is a wasteful number, since it uses less digits than its factorization.

2137222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068613.

The product of its digits is 336, while the sum is 19.

The square root of 2137222 is about 1461.9240746359. The cubic root of 2137222 is about 128.8100885196.

The spelling of 2137222 in words is "two million, one hundred thirty-seven thousand, two hundred twenty-two".