220472372 has 12 divisors (see below), whose sum is σ = 398272896. Its totient is φ = 106680120.

The previous prime is 220472339. The next prime is 220472377. The reversal of 220472372 is 273274022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220472377) 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, 888878 + ... + 889125.

It is an arithmetic number, because the mean of its divisors is an integer number (33189408).

Almost surely, 2^220472372 is an apocalyptic number.

It is an amenable number.

220472372 is a deficient number, since it is larger than the sum of its proper divisors (177800524).

220472372 is a wasteful number, since it uses less digits than its factorization.

220472372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778038 (or 1778036 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 220472372 is about 14848.3120926252. The cubic root of 220472372 is about 604.1128285047.

The spelling of 220472372 in words is "two hundred twenty million, four hundred seventy-two thousand, three hundred seventy-two".