2051222 has 4 divisors (see below), whose sum is σ = 3076836. Its totient is φ = 1025610.

The previous prime is 2051219. The next prime is 2051233. The reversal of 2051222 is 2221502.

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

It is a junction number, because it is equal to n+sod(n) for n = 2051197 and 2051206.

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, 512804 + ... + 512807.

It is an arithmetic number, because the mean of its divisors is an integer number (769209).

2^2051222 is an apocalyptic number.

2051222 is a deficient number, since it is larger than the sum of its proper divisors (1025614).

2051222 is a wasteful number, since it uses less digits than its factorization.

2051222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025613.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2051222 is about 1432.2087836625. The cubic root of 2051222 is about 127.0586456986.

Adding to 2051222 its reverse (2221502), we get a palindrome (4272724).

The spelling of 2051222 in words is "two million, fifty-one thousand, two hundred twenty-two".