1122203340 has 72 divisors (see below), whose sum is σ = 3496038000. Its totient is φ = 291164544.

The previous prime is 1122203309. The next prime is 1122203347. The reversal of 1122203340 is 433022211.

1122203340 is a `hidden beast` number, since 1 + 122 + 203 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1122203347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77590 + ... + 90909.

Almost surely, 2^1122203340 is an apocalyptic number.

1122203340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122203340 is an abundant number, since it is smaller than the sum of its proper divisors (2373834660).

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

1122203340 is a wasteful number, since it uses less digits than its factorization.

1122203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168551 (or 168546 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1122203340 is about 33499.3035748506. The cubic root of 1122203340 is about 1039.1793760697.

Adding to 1122203340 its reverse (433022211), we get a palindrome (1555225551).

The spelling of 1122203340 in words is "one billion, one hundred twenty-two million, two hundred three thousand, three hundred forty".