220522522 has 8 divisors (see below), whose sum is σ = 360855072. Its totient is φ = 100237500.

The previous prime is 220522507. The next prime is 220522529. The reversal of 220522522 is 225225022.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10023751 = 220522522 / (2 + 2 + 0 + 5 + 2 + 2 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 220522493 and 220522502.

It is not an unprimeable number, because it can be changed into a prime (220522529) 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, 5011854 + ... + 5011897.

It is an arithmetic number, because the mean of its divisors is an integer number (45106884).

Almost surely, 2^220522522 is an apocalyptic number.

220522522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220522522 is a deficient number, since it is larger than the sum of its proper divisors (140332550).

220522522 is a wasteful number, since it uses less digits than its factorization.

220522522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023764.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 220522522 is about 14850.0007407407. Note that the first 3 decimals coincide. The cubic root of 220522522 is about 604.1586301037.

Subtracting from 220522522 its sum of digits (22), we obtain a square (220522500 = 14850²).

Adding to 220522522 its reverse (225225022), we get a palindrome (445747544).

The spelling of 220522522 in words is "two hundred twenty million, five hundred twenty-two thousand, five hundred twenty-two".