1122356340 has 144 divisors (see below), whose sum is σ = 3908556288. Its totient is φ = 255370752.

The previous prime is 1122356321. The next prime is 1122356363. The reversal of 1122356340 is 436532211.

1122356340 is a `hidden beast` number, since 1 + 1 + 2 + 23 + 5 + 634 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291669 + ... + 295491.

It is an arithmetic number, because the mean of its divisors is an integer number (27142752).

Almost surely, 2^1122356340 is an apocalyptic number.

1122356340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122356340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954278144).

1122356340 is an abundant number, since it is smaller than the sum of its proper divisors (2786199948).

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

1122356340 is a wasteful number, since it uses less digits than its factorization.

1122356340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1122356340 is about 33501.5871265825. The cubic root of 1122356340 is about 1039.2266007908.

Adding to 1122356340 its reverse (436532211), we get a palindrome (1558888551).

The spelling of 1122356340 in words is "one billion, one hundred twenty-two million, three hundred fifty-six thousand, three hundred forty".