112221398 has 4 divisors (see below), whose sum is σ = 168332100. Its totient is φ = 56110698.

The previous prime is 112221397. The next prime is 112221427. The reversal of 112221398 is 893122211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 112221398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28055348 + ... + 28055351.

It is an arithmetic number, because the mean of its divisors is an integer number (42083025).

Almost surely, 2^112221398 is an apocalyptic number.

112221398 is a deficient number, since it is larger than the sum of its proper divisors (56110702).

112221398 is an equidigital number, since it uses as much as digits as its factorization.

112221398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56110701.

The product of its digits is 1728, while the sum is 29.

The square root of 112221398 is about 10593.4601523770. The cubic root of 112221398 is about 482.3458632285.

The spelling of 112221398 in words is "one hundred twelve million, two hundred twenty-one thousand, three hundred ninety-eight".