2570022 has 64 divisors (see below), whose sum is σ = 7042560. Its totient is φ = 676512.

The previous prime is 2570017. The next prime is 2570047. The reversal of 2570022 is 2200752.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2569977 and 2570004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4653 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (110040).

2^2570022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2570022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3521280).

2570022 is an abundant number, since it is smaller than the sum of its proper divisors (4472538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2570022 is a wasteful number, since it uses less digits than its factorization.

2570022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2570022 is about 1603.1288157849. The cubic root of 2570022 is about 136.9763576515.

Adding to 2570022 its reverse (2200752), we get a palindrome (4770774).

The spelling of 2570022 in words is "two million, five hundred seventy thousand, twenty-two".