220222134 has 48 divisors (see below), whose sum is σ = 526415760. Its totient is φ = 65978880.

The previous prime is 220222087. The next prime is 220222147. The reversal of 220222134 is 431222022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11374 + ... + 23870.

It is an arithmetic number, because the mean of its divisors is an integer number (10966995).

Almost surely, 2^220222134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220222134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263207880).

220222134 is an abundant number, since it is smaller than the sum of its proper divisors (306193626).

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

220222134 is a wasteful number, since it uses less digits than its factorization.

220222134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12605 (or 12602 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220222134 is about 14839.8832205648. The cubic root of 220222134 is about 603.8841842615.

Adding to 220222134 its reverse (431222022), we get a palindrome (651444156).

It can be divided in two parts, 2202 and 22134, that added together give a square (24336 = 156²).

The spelling of 220222134 in words is "two hundred twenty million, two hundred twenty-two thousand, one hundred thirty-four".