220422522 has 8 divisors (see below), whose sum is σ = 440845056. Its totient is φ = 73474172.

The previous prime is 220422511. The next prime is 220422523. The reversal of 220422522 is 225224022.

220422522 is digitally balanced in base 2 and base 3, because in such bases 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.

220422522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220422523) 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, 18368538 + ... + 18368549.

It is an arithmetic number, because the mean of its divisors is an integer number (55105632).

Almost surely, 2^220422522 is an apocalyptic number.

220422522 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.

220422522 is a wasteful number, since it uses less digits than its factorization.

220422522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36737092.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 220422522 is about 14846.6333557477. The cubic root of 220422522 is about 604.0672940095.

Adding to 220422522 its reverse (225224022), we get a palindrome (445646544).

The spelling of 220422522 in words is "two hundred twenty million, four hundred twenty-two thousand, five hundred twenty-two".