220322224415464 has 8 divisors (see below), whose sum is σ = 413104170779010. Its totient is φ = 110161112207728.

The previous prime is 220322224415453. The next prime is 220322224415483. The reversal of 220322224415464 is 464514422223022.

It can be written as a sum of positive squares in only one way, i.e., 160783870883364 + 59538353532100 = 12680058^2 + 7716110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×220322224415464² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220322224415464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13770139025959 + ... + 13770139025974.

Almost surely, 2^{220322224415464} is an apocalyptic number.

It is an amenable number.

220322224415464 is a deficient number, since it is larger than the sum of its proper divisors (192781946363546).

220322224415464 is a wasteful number, since it uses less digits than its factorization.

220322224415464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27540278051939 (or 27540278051935 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 43.

Adding to 220322224415464 its reverse (464514422223022), we get a palindrome (684836646638486).

The spelling of 220322224415464 in words is "two hundred twenty trillion, three hundred twenty-two billion, two hundred twenty-four million, four hundred fifteen thousand, four hundred sixty-four".