1525222 has 16 divisors (see below), whose sum is σ = 2426112. Its totient is φ = 717640.

The previous prime is 1525219. The next prime is 1525229. The reversal of 1525222 is 2225251.

It is a self number, because there is not a number n which added to its sum of digits gives 1525222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3033 + ... + 3499.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

2^1525222 is an apocalyptic number.

1525222 is a deficient number, since it is larger than the sum of its proper divisors (900890).

1525222 is a wasteful number, since it uses less digits than its factorization.

1525222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its digits is 400, while the sum is 19.

The square root of 1525222 is about 1234.9987854245. The cubic root of 1525222 is about 115.1094609956.

The spelling of 1525222 in words is "one million, five hundred twenty-five thousand, two hundred twenty-two".