19572225 has 24 divisors (see below), whose sum is σ = 32578272. Its totient is φ = 10368000.

The previous prime is 19572221. The next prime is 19572239. The reversal of 19572225 is 52227591.

It is a happy number.

It is not a de Polignac number, because 19572225 - 2² = 19572221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19572221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11425 + ... + 13025.

It is an arithmetic number, because the mean of its divisors is an integer number (1357428).

Almost surely, 2^19572225 is an apocalyptic number.

19572225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19572225 is a deficient number, since it is larger than the sum of its proper divisors (13006047).

19572225 is a wasteful number, since it uses less digits than its factorization.

19572225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1772 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 19572225 is about 4424.0507456402. The cubic root of 19572225 is about 269.4925310271.

The spelling of 19572225 in words is "nineteen million, five hundred seventy-two thousand, two hundred twenty-five".