1222223624 has 32 divisors (see below), whose sum is σ = 2320502040. Its totient is φ = 603456000.

The previous prime is 1222223617. The next prime is 1222223663. The reversal of 1222223624 is 4263222221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 886967524 + 335256100 = 29782^2 + 18310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222223593 and 1222223602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338372 + ... + 341964.

Almost surely, 2^1222223624 is an apocalyptic number.

It is an amenable number.

1222223624 is a deficient number, since it is larger than the sum of its proper divisors (1098278416).

1222223624 is a wasteful number, since it uses less digits than its factorization.

1222223624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121 (or 4117 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1222223624 is about 34960.3149871393. The cubic root of 1222223624 is about 1069.1785187485.

Adding to 1222223624 its reverse (4263222221), we get a palindrome (5485445845).

The spelling of 1222223624 in words is "one billion, two hundred twenty-two million, two hundred twenty-three thousand, six hundred twenty-four".