222021102 has 16 divisors (see below), whose sum is σ = 444193920. Its totient is φ = 73981752.

The previous prime is 222021077. The next prime is 222021103. The reversal of 222021102 is 201120222.

222021102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021103) 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, 23599 + ... + 31637.

It is an arithmetic number, because the mean of its divisors is an integer number (27762120).

Almost surely, 2^222021102 is an apocalyptic number.

222021102 is an abundant number, since it is smaller than the sum of its proper divisors (222172818).

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

222021102 is a wasteful number, since it uses less digits than its factorization.

222021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222021102 is about 14900.3725456782. The cubic root of 222021102 is about 605.5240792749.

Adding to 222021102 its reverse (201120222), we get a palindrome (423141324).

The spelling of 222021102 in words is "two hundred twenty-two million, twenty-one thousand, one hundred two".