1122422040 has 96 divisors (see below), whose sum is σ = 3725542080. Its totient is φ = 292939776.

The previous prime is 1122422029. The next prime is 1122422099. The reversal of 1122422040 is 402242211.

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, 16249 + ... + 50088.

It is an arithmetic number, because the mean of its divisors is an integer number (38807730).

Almost surely, 2^1122422040 is an apocalyptic number.

1122422040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122422040 is an abundant number, since it is smaller than the sum of its proper divisors (2603120040).

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

1122422040 is a wasteful number, since it uses less digits than its factorization.

1122422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66401 (or 66394 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1122422040 is about 33502.5676627927. The cubic root of 1122422040 is about 1039.2468783245.

Adding to 1122422040 its reverse (402242211), we get a palindrome (1524664251).

The spelling of 1122422040 in words is "one billion, one hundred twenty-two million, four hundred twenty-two thousand, forty".