115421722 has 16 divisors (see below), whose sum is σ = 191491272. Its totient is φ = 51831360.

The previous prime is 115421701. The next prime is 115421723. The reversal of 115421722 is 227124511.

It can be written as a sum of positive squares in 4 ways, for example, as 68211081 + 47210641 = 8259^2 + 6871^2 .

It is not an unprimeable number, because it can be changed into a prime (115421723) 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, 59029 + ... + 60952.

Almost surely, 2^115421722 is an apocalyptic number.

115421722 is a deficient number, since it is larger than the sum of its proper divisors (76069550).

115421722 is a wasteful number, since it uses less digits than its factorization.

115421722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120033.

The product of its digits is 1120, while the sum is 25.

The square root of 115421722 is about 10743.4501906976. The cubic root of 115421722 is about 486.8881257890. Note that the first 3 decimals are identical.

The spelling of 115421722 in words is "one hundred fifteen million, four hundred twenty-one thousand, seven hundred twenty-two".