1122522222 has 64 divisors (see below), whose sum is σ = 2385616896. Its totient is φ = 351410400.

The previous prime is 1122522209. The next prime is 1122522251. The reversal of 1122522222 is 2222252211.

It is a super-2 number, since 2×1122522222² = 2520112277767634568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146053 + ... + 2146575.

It is an arithmetic number, because the mean of its divisors is an integer number (37275264).

Almost surely, 2^1122522222 is an apocalyptic number.

1122522222 is an abundant number, since it is smaller than the sum of its proper divisors (1263094674).

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

1122522222 is a wasteful number, since it uses less digits than its factorization.

1122522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its digits is 640, while the sum is 21.

The square root of 1122522222 is about 33504.0627685658. The cubic root of 1122522222 is about 1039.2777967995.

Adding to 1122522222 its reverse (2222252211), we get a palindrome (3344774433).

The spelling of 1122522222 in words is "one billion, one hundred twenty-two million, five hundred twenty-two thousand, two hundred twenty-two".