122243402 has 8 divisors (see below), whose sum is σ = 183951876. Its totient is φ = 60926112.

The previous prime is 122243399. The next prime is 122243423. The reversal of 122243402 is 204342221.

It can be written as a sum of positive squares in 2 ways, for example, as 117310561 + 4932841 = 10831^2 + 2221^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97013 + ... + 98264.

Almost surely, 2^122243402 is an apocalyptic number.

122243402 is a deficient number, since it is larger than the sum of its proper divisors (61708474).

122243402 is a wasteful number, since it uses less digits than its factorization.

122243402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195592.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 122243402 is about 11056.3738178482. The cubic root of 122243402 is about 496.2971819690.

Adding to 122243402 its reverse (204342221), we get a palindrome (326585623).

The spelling of 122243402 in words is "one hundred twenty-two million, two hundred forty-three thousand, four hundred two".