1422525 has 24 divisors (see below), whose sum is σ = 2534560. Its totient is φ = 699840.

The previous prime is 1422523. The next prime is 1422541. The reversal of 1422525 is 5252241.

It is a happy number.

It is not a de Polignac number, because 1422525 - 2¹ = 1422523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246 + ... + 1704.

2^1422525 is an apocalyptic number.

1422525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422525 is a deficient number, since it is larger than the sum of its proper divisors (1112035).

1422525 is a wasteful number, since it uses less digits than its factorization.

1422525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1480 counting only the distinct ones).

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

The square root of 1422525 is about 1192.6965246868. The cubic root of 1422525 is about 112.4656685365.

Adding to 1422525 its reverse (5252241), we get a palindrome (6674766).

The spelling of 1422525 in words is "one million, four hundred twenty-two thousand, five hundred twenty-five".