1122294387 has 8 divisors (see below), whose sum is σ = 1497007504. Its totient is φ = 747888768.

The previous prime is 1122294347. The next prime is 1122294463. The reversal of 1122294387 is 7834922211.

1122294387 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122294387 - 2⁷ = 1122294259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122294317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68218 + ... + 83055.

It is an arithmetic number, because the mean of its divisors is an integer number (187125938).

Almost surely, 2^1122294387 is an apocalyptic number.

1122294387 is a deficient number, since it is larger than the sum of its proper divisors (374713117).

1122294387 is a wasteful number, since it uses less digits than its factorization.

1122294387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153749.

The product of its digits is 48384, while the sum is 39.

The square root of 1122294387 is about 33500.6624859868. The cubic root of 1122294387 is about 1039.2074789998.

The spelling of 1122294387 in words is "one billion, one hundred twenty-two million, two hundred ninety-four thousand, three hundred eighty-seven".