220222100122 has 8 divisors (see below), whose sum is σ = 330335434836. Its totient is φ = 110110288512.

The previous prime is 220222100107. The next prime is 220222100123. The reversal of 220222100122 is 221001222022.

It can be written as a sum of positive squares in 2 ways, for example, as 219566279241 + 655820881 = 468579^2 + 25609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 220222100096 and 220222100105.

It is not an unprimeable number, because it can be changed into a prime (220222100123) 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, 104268 + ... + 671800.

Almost surely, 2^220222100122 is an apocalyptic number.

220222100122 is a deficient number, since it is larger than the sum of its proper divisors (110113334714).

220222100122 is a wasteful number, since it uses less digits than its factorization.

220222100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761552.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220222100122 its reverse (221001222022), we get a palindrome (441223322144).

The spelling of 220222100122 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-two".