222002361 has 24 divisors (see below), whose sum is σ = 367009344. Its totient is φ = 126675360.

The previous prime is 222002357. The next prime is 222002381. The reversal of 222002361 is 163200222.

It is not a de Polignac number, because 222002361 - 2² = 222002357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222002311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49971 + ... + 54231.

It is an arithmetic number, because the mean of its divisors is an integer number (15292056).

Almost surely, 2^222002361 is an apocalyptic number.

222002361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222002361 is a deficient number, since it is larger than the sum of its proper divisors (145006983).

222002361 is a wasteful number, since it uses less digits than its factorization.

222002361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 222002361 is about 14899.7436555130. The cubic root of 222002361 is about 605.5070411856.

Adding to 222002361 its reverse (163200222), we get a palindrome (385202583).

The spelling of 222002361 in words is "two hundred twenty-two million, two thousand, three hundred sixty-one".