1222224550 has 12 divisors (see below), whose sum is σ = 2273337756. Its totient is φ = 488889800.

The previous prime is 1222224547. The next prime is 1222224583. The reversal of 1222224550 is 554222221.

1222224550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12222196 + ... + 12222295.

It is an arithmetic number, because the mean of its divisors is an integer number (189444813).

Almost surely, 2^1222224550 is an apocalyptic number.

1222224550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222224550 is a deficient number, since it is larger than the sum of its proper divisors (1051113206).

1222224550 is a wasteful number, since it uses less digits than its factorization.

1222224550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24444503 (or 24444498 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1222224550 is about 34960.3282307246. The cubic root of 1222224550 is about 1069.1787887643.

Adding to 1222224550 its reverse (554222221), we get a palindrome (1776446771).

The spelling of 1222224550 in words is "one billion, two hundred twenty-two million, two hundred twenty-four thousand, five hundred fifty".