1123156622 has 16 divisors (see below), whose sum is σ = 1936172160. Its totient is φ = 478662648.

The previous prime is 1123156589. The next prime is 1123156669. The reversal of 1123156622 is 2266513211.

It is a super-2 number, since 2×1123156622² = 2522961595084901768, 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 7 ways as a sum of consecutive naturals, for example, 221588 + ... + 226599.

It is an arithmetic number, because the mean of its divisors is an integer number (121010760).

Almost surely, 2^1123156622 is an apocalyptic number.

1123156622 is a deficient number, since it is larger than the sum of its proper divisors (813015538).

1123156622 is a wasteful number, since it uses less digits than its factorization.

1123156622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448375.

The product of its digits is 4320, while the sum is 29.

The square root of 1123156622 is about 33513.5289398177. The cubic root of 1123156622 is about 1039.4735445702.

Adding to 1123156622 its reverse (2266513211), we get a palindrome (3389669833).

The spelling of 1123156622 in words is "one billion, one hundred twenty-three million, one hundred fifty-six thousand, six hundred twenty-two".