2445122 has 4 divisors (see below), whose sum is σ = 3667686. Its totient is φ = 1222560.

The previous prime is 2445119. The next prime is 2445139. The reversal of 2445122 is 2215442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2215442 = 2 ⋅1107721.

It can be written as a sum of positive squares in only one way, i.e., 2430481 + 14641 = 1559^2 + 121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2445094 and 2445103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611279 + ... + 611282.

2^2445122 is an apocalyptic number.

2445122 is a deficient number, since it is larger than the sum of its proper divisors (1222564).

2445122 is a wasteful number, since it uses less digits than its factorization.

2445122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222563.

The product of its digits is 640, while the sum is 20.

The square root of 2445122 is about 1563.6885879228. The cubic root of 2445122 is about 134.7204457405.

The spelling of 2445122 in words is "two million, four hundred forty-five thousand, one hundred twenty-two".