220002122 has 4 divisors (see below), whose sum is σ = 330003186. Its totient is φ = 110001060.

The previous prime is 220002119. The next prime is 220002127. The reversal of 220002122 is 221200022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202521361 + 17480761 = 14231^2 + 4181^2 .

It is not an unprimeable number, because it can be changed into a prime (220002127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000529 + ... + 55000532.

Almost surely, 2^220002122 is an apocalyptic number.

220002122 is a deficient number, since it is larger than the sum of its proper divisors (110001064).

220002122 is a wasteful number, since it uses less digits than its factorization.

220002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110001063.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220002122 is about 14832.4685066242. The cubic root of 220002122 is about 603.6830145996.

Adding to 220002122 its reverse (221200022), we get a palindrome (441202144).

The spelling of 220002122 in words is "two hundred twenty million, two thousand, one hundred twenty-two".