1122342290 has 24 divisors (see below), whose sum is σ = 2087504460. Its totient is φ = 434451360.

The previous prime is 1122342271. The next prime is 1122342337. The reversal of 1122342290 is 922432211.

It can be written as a sum of positive squares in 2 ways, for example, as 928603729 + 193738561 = 30473^2 + 13919^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48785 + ... + 68004.

Almost surely, 2^1122342290 is an apocalyptic number.

1122342290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122342290 is a deficient number, since it is larger than the sum of its proper divisors (965162170).

1122342290 is a wasteful number, since it uses less digits than its factorization.

1122342290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116858 (or 116827 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1122342290 is about 33501.3774343683. The cubic root of 1122342290 is about 1039.2222643206. Note that the first 4 decimals are identical.

The spelling of 1122342290 in words is "one billion, one hundred twenty-two million, three hundred forty-two thousand, two hundred ninety".