2045222 has 4 divisors (see below), whose sum is σ = 3067836. Its totient is φ = 1022610.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045222 is 2225402.

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 2045222.

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, 511304 + ... + 511307.

It is an arithmetic number, because the mean of its divisors is an integer number (766959).

2^2045222 is an apocalyptic number.

2045222 is a deficient number, since it is larger than the sum of its proper divisors (1022614).

2045222 is a wasteful number, since it uses less digits than its factorization.

2045222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022613.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2045222 is about 1430.1125829808. The cubic root of 2045222 is about 126.9346389034.

It can be divided in two parts, 20452 and 22, that multiplied together give a palindrome (449944).

The spelling of 2045222 in words is "two million, forty-five thousand, two hundred twenty-two".