1220522258 has 16 divisors (see below), whose sum is σ = 1838348160. Its totient is φ = 607745376.

The previous prime is 1220522257. The next prime is 1220522267. The reversal of 1220522258 is 8522250221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220522258.

It is not an unprimeable number, because it can be changed into a prime (1220522257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790235 + ... + 791777.

It is an arithmetic number, because the mean of its divisors is an integer number (114896760).

Almost surely, 2^1220522258 is an apocalyptic number.

1220522258 is a deficient number, since it is larger than the sum of its proper divisors (617825902).

1220522258 is a wasteful number, since it uses less digits than its factorization.

1220522258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 1220522258 is about 34935.9736947462. The cubic root of 1220522258 is about 1068.6821805830.

Adding to 1220522258 its reverse (8522250221), we get a palindrome (9742772479).

The spelling of 1220522258 in words is "one billion, two hundred twenty million, five hundred twenty-two thousand, two hundred fifty-eight".