222197280 has 48 divisors (see below), whose sum is σ = 699922944. Its totient is φ = 59252480.

The previous prime is 222197279. The next prime is 222197281. The reversal of 222197280 is 82791222.

222197280 is digitally balanced in base 2, 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 (222197279) and next prime (222197281).

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (222197281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230976 + ... + 231935.

It is an arithmetic number, because the mean of its divisors is an integer number (14581728).

Almost surely, 2^222197280 is an apocalyptic number.

222197280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222197280 is an abundant number, since it is smaller than the sum of its proper divisors (477725664).

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

222197280 is a wasteful number, since it uses less digits than its factorization.

222197280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462929 (or 462921 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 222197280 is about 14906.2832389567. The cubic root of 222197280 is about 605.6842019167.

The spelling of 222197280 in words is "two hundred twenty-two million, one hundred ninety-seven thousand, two hundred eighty".