222100052 has 12 divisors (see below), whose sum is σ = 405574176. Its totient is φ = 106221720.

The previous prime is 222100049. The next prime is 222100079. The reversal of 222100052 is 250001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206974 + ... + 1207157.

It is an arithmetic number, because the mean of its divisors is an integer number (33797848).

Almost surely, 2^222100052 is an apocalyptic number.

It is an amenable number.

222100052 is a deficient number, since it is larger than the sum of its proper divisors (183474124).

222100052 is a wasteful number, since it uses less digits than its factorization.

222100052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414158 (or 2414156 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 222100052 is about 14903.0215728221. The cubic root of 222100052 is about 605.5958449167.

Adding to 222100052 its reverse (250001222), we get a palindrome (472101274).

The spelling of 222100052 in words is "two hundred twenty-two million, one hundred thousand, fifty-two".