222001362 has 36 divisors (see below), whose sum is σ = 528710910. Its totient is φ = 67272480.

The previous prime is 222001361. The next prime is 222001379. The reversal of 222001362 is 263100222.

It can be written as a sum of positive squares in only one way, i.e., 146676321 + 75325041 = 12111^2 + 8679^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222001361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48787 + ... + 53142.

Almost surely, 2^222001362 is an apocalyptic number.

222001362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222001362 is an abundant number, since it is smaller than the sum of its proper divisors (306709548).

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

222001362 is a wasteful number, since it uses less digits than its factorization.

222001362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101959 (or 101945 counting only the distinct ones).

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

The square root of 222001362 is about 14899.7101314086. The cubic root of 222001362 is about 605.5061329334.

Adding to 222001362 its reverse (263100222), we get a palindrome (485101584).

The spelling of 222001362 in words is "two hundred twenty-two million, one thousand, three hundred sixty-two".