1115901422 has 4 divisors (see below), whose sum is σ = 1673852136. Its totient is φ = 557950710.

The previous prime is 1115901421. The next prime is 1115901443. The reversal of 1115901422 is 2241095111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1115901391 and 1115901400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115901421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278975354 + ... + 278975357.

It is an arithmetic number, because the mean of its divisors is an integer number (418463034).

Almost surely, 2^1115901422 is an apocalyptic number.

1115901422 is a deficient number, since it is larger than the sum of its proper divisors (557950714).

1115901422 is an equidigital number, since it uses as much as digits as its factorization.

1115901422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557950713.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1115901422 is about 33405.1107167751. The cubic root of 1115901422 is about 1037.2304956735.

Adding to 1115901422 its reverse (2241095111), we get a palindrome (3356996533).

The spelling of 1115901422 in words is "one billion, one hundred fifteen million, nine hundred one thousand, four hundred twenty-two".