1122952278 has 32 divisors (see below), whose sum is σ = 2570045184. Its totient is φ = 320431392.

The previous prime is 1122952241. The next prime is 1122952279. The reversal of 1122952278 is 8722592211.

It is a super-2 number, since 2×1122952278² = 2522043637330778568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122952279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16701 + ... + 50247.

It is an arithmetic number, because the mean of its divisors is an integer number (80313912).

Almost surely, 2^1122952278 is an apocalyptic number.

1122952278 is an abundant number, since it is smaller than the sum of its proper divisors (1447092906).

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

1122952278 is a wasteful number, since it uses less digits than its factorization.

1122952278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34356.

The product of its digits is 40320, while the sum is 39.

The square root of 1122952278 is about 33510.4801218962. The cubic root of 1122952278 is about 1039.4105011024.

The spelling of 1122952278 in words is "one billion, one hundred twenty-two million, nine hundred fifty-two thousand, two hundred seventy-eight".