2057122 has 4 divisors (see below), whose sum is σ = 3085686. Its totient is φ = 1028560.

The previous prime is 2057113. The next prime is 2057137. The reversal of 2057122 is 2217502.

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

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 690561 = 1169^2 + 831^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2057122.

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, 514279 + ... + 514282.

2^2057122 is an apocalyptic number.

2057122 is a deficient number, since it is larger than the sum of its proper divisors (1028564).

2057122 is a wasteful number, since it uses less digits than its factorization.

2057122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028563.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2057122 is about 1434.2670602088. The cubic root of 2057122 is about 127.1803501284.

The spelling of 2057122 in words is "two million, fifty-seven thousand, one hundred twenty-two".