222100320 has 96 divisors (see below), whose sum is σ = 753453792. Its totient is φ = 54669312.

The previous prime is 222100309. The next prime is 222100331. The reversal of 222100320 is 23001222.

222100320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (222100309) and next prime (222100331).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 222100296 and 222100305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11557 + ... + 24036.

It is an arithmetic number, because the mean of its divisors is an integer number (7848477).

Almost surely, 2^222100320 is an apocalyptic number.

222100320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222100320 is an abundant number, since it is smaller than the sum of its proper divisors (531353472).

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

222100320 is a wasteful number, since it uses less digits than its factorization.

222100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35624 (or 35616 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222100320 is about 14903.0305642846. The cubic root of 222100320 is about 605.5960885000.

Adding to 222100320 its reverse (23001222), we get a palindrome (245101542).

The spelling of 222100320 in words is "two hundred twenty-two million, one hundred thousand, three hundred twenty".