1224220322 has 8 divisors (see below), whose sum is σ = 1977586716. Its totient is φ = 565024752.

The previous prime is 1224220301. The next prime is 1224220343. The reversal of 1224220322 is 2230224221.

It is an interprime number because it is at equal distance from previous prime (1224220301) and next prime (1224220343).

It can be written as a sum of positive squares in 2 ways, for example, as 982759801 + 241460521 = 31349^2 + 15539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1224220294 and 1224220303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23542673 + ... + 23542724.

Almost surely, 2^1224220322 is an apocalyptic number.

1224220322 is a deficient number, since it is larger than the sum of its proper divisors (753366394).

1224220322 is a wasteful number, since it uses less digits than its factorization.

1224220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47085412.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1224220322 is about 34988.8599699962. The cubic root of 1224220322 is about 1069.7604267548.

Adding to 1224220322 its reverse (2230224221), we get a palindrome (3454444543).

The spelling of 1224220322 in words is "one billion, two hundred twenty-four million, two hundred twenty thousand, three hundred twenty-two".