1525422 has 16 divisors (see below), whose sum is σ = 3083472. Its totient is φ = 503040.

The previous prime is 1525421. The next prime is 1525423. The reversal of 1525422 is 2245251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1525421) and next prime (1525423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525421) 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, 729 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (192717).

2^1525422 is an apocalyptic number.

1525422 is an abundant number, since it is smaller than the sum of its proper divisors (1558050).

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

1525422 is a wasteful number, since it uses less digits than its factorization.

1525422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723.

The product of its digits is 800, while the sum is 21.

The square root of 1525422 is about 1235.0797545098. The cubic root of 1525422 is about 115.1144921508.

The spelling of 1525422 in words is "one million, five hundred twenty-five thousand, four hundred twenty-two".