372009225 has 48 divisors (see below), whose sum is σ = 717315200. Its totient is φ = 170049600.

The previous prime is 372009223. The next prime is 372009233. The reversal of 372009225 is 522900273.

It is a happy number.

It is not a de Polignac number, because 372009225 - 2¹ = 372009223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 372009192 and 372009201.

It is not an unprimeable number, because it can be changed into a prime (372009223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18495 + ... + 32955.

Almost surely, 2^372009225 is an apocalyptic number.

372009225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

372009225 is a deficient number, since it is larger than the sum of its proper divisors (345305975).

372009225 is a wasteful number, since it uses less digits than its factorization.

372009225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14495 (or 14476 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 372009225 is about 19287.5406674879. The cubic root of 372009225 is about 719.2025797378.

Adding to 372009225 its reverse (522900273), we get a palindrome (894909498).

The spelling of 372009225 in words is "three hundred seventy-two million, nine thousand, two hundred twenty-five".