372220 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 144576.

The previous prime is 372179. The next prime is 372223. The reversal of 372220 is 22273.

372220 = T₆₁ + T₆₂ + ... + T₁₃₄.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 372194 and 372203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372223) 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 7 ways as a sum of consecutive naturals, for example, 489 + ... + 991.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2³⁷²²²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402192).

372220 is an abundant number, since it is smaller than the sum of its proper divisors (432164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

372220 is a wasteful number, since it uses less digits than its factorization.

372220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 372220 is about 610.0983527268. The cubic root of 372220 is about 71.9338383989.

Adding to 372220 its reverse (22273), we get a palindrome (394493).

The spelling of 372220 in words is "three hundred seventy-two thousand, two hundred twenty", and thus it is an iban number.