220622522 has 4 divisors (see below), whose sum is σ = 330933786. Its totient is φ = 110311260.

The previous prime is 220622497. The next prime is 220622539. The reversal of 220622522 is 225226022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205091041 + 15531481 = 14321^2 + 3941^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55155629 + ... + 55155632.

Almost surely, 2^220622522 is an apocalyptic number.

220622522 is a deficient number, since it is larger than the sum of its proper divisors (110311264).

220622522 is a wasteful number, since it uses less digits than its factorization.

220622522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110311263.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220622522 is about 14853.3673623189. The cubic root of 220622522 is about 604.2499385901.

Adding to 220622522 its reverse (225226022), we get a palindrome (445848544).

The spelling of 220622522 in words is "two hundred twenty million, six hundred twenty-two thousand, five hundred twenty-two".