220122402 has 8 divisors (see below), whose sum is σ = 440244816. Its totient is φ = 73374132.

The previous prime is 220122389. The next prime is 220122407. The reversal of 220122402 is 204221022.

220122402 is digitally balanced in base 2, 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.

220122402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220122407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18343528 + ... + 18343539.

It is an arithmetic number, because the mean of its divisors is an integer number (55030602).

Almost surely, 2^220122402 is an apocalyptic number.

220122402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220122402 is a wasteful number, since it uses less digits than its factorization.

220122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36687072.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220122402 is about 14836.5225710070. The cubic root of 220122402 is about 603.7930101513.

Adding to 220122402 its reverse (204221022), we get a palindrome (424343424).

The spelling of 220122402 in words is "two hundred twenty million, one hundred twenty-two thousand, four hundred two".