222111052 has 12 divisors (see below), whose sum is σ = 411558840. Its totient is φ = 104522816.

The previous prime is 222111047. The next prime is 222111053. The reversal of 222111052 is 250111222.

It is a happy number.

222111052 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

222111052 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (222111053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633102 + ... + 1633237.

It is an arithmetic number, because the mean of its divisors is an integer number (34296570).

Almost surely, 2^222111052 is an apocalyptic number.

It is an amenable number.

222111052 is a deficient number, since it is larger than the sum of its proper divisors (189447788).

222111052 is a wasteful number, since it uses less digits than its factorization.

222111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266360 (or 3266358 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 222111052 is about 14903.3906209292. The cubic root of 222111052 is about 605.6058425795.

Adding to 222111052 its reverse (250111222), we get a palindrome (472222274).

The spelling of 222111052 in words is "two hundred twenty-two million, one hundred eleven thousand, fifty-two".