372223609 has 4 divisors (see below), whose sum is σ = 380880016. Its totient is φ = 363567204.

The previous prime is 372223601. The next prime is 372223667. The reversal of 372223609 is 906322273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 372223609 - 2³ = 372223601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372223601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328139 + ... + 4328224.

It is an arithmetic number, because the mean of its divisors is an integer number (95220004).

Almost surely, 2^372223609 is an apocalyptic number.

It is an amenable number.

372223609 is a deficient number, since it is larger than the sum of its proper divisors (8656407).

372223609 is an equidigital number, since it uses as much as digits as its factorization.

372223609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656406.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 372223609 is about 19293.0974444230. The cubic root of 372223609 is about 719.3407088545.

The spelling of 372223609 in words is "three hundred seventy-two million, two hundred twenty-three thousand, six hundred nine".