1572225 has 12 divisors (see below), whose sum is σ = 2599536. Its totient is φ = 838480.

The previous prime is 1572217. The next prime is 1572239. The reversal of 1572225 is 5222751.

It is not a de Polignac number, because 1572225 - 2³ = 1572217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1572195 and 1572204.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10407 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (216628).

2^1572225 is an apocalyptic number.

1572225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1572225 is a deficient number, since it is larger than the sum of its proper divisors (1027311).

1572225 is a wasteful number, since it uses less digits than its factorization.

1572225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20976 (or 20971 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 1572225 is about 1253.8839659235. The cubic root of 1572225 is about 116.2799668380.

Adding to 1572225 its reverse (5222751), we get a palindrome (6794976).

The spelling of 1572225 in words is "one million, five hundred seventy-two thousand, two hundred twenty-five".