220497822 has 32 divisors (see below), whose sum is σ = 490556160. Its totient is φ = 73415160.

The previous prime is 220497791. The next prime is 220497829. The reversal of 220497822 is 228794022.

It is a happy number.

220497822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220497829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61047 + ... + 64557.

It is an arithmetic number, because the mean of its divisors is an integer number (15329880).

Almost surely, 2^220497822 is an apocalyptic number.

220497822 is an abundant number, since it is smaller than the sum of its proper divisors (270058338).

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

220497822 is a wasteful number, since it uses less digits than its factorization.

220497822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 220497822 is about 14849.1690676617. The cubic root of 220497822 is about 604.1360726566.

The spelling of 220497822 in words is "two hundred twenty million, four hundred ninety-seven thousand, eight hundred twenty-two".