1220143324 has 6 divisors (see below), whose sum is σ = 2135250824. Its totient is φ = 610071660.

The previous prime is 1220143283. The next prime is 1220143367. The reversal of 1220143324 is 4233410221.

It is a super-2 number, since 2×1220143324² = 2977499462203537952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220143295 and 1220143304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152517912 + ... + 152517919.

Almost surely, 2^1220143324 is an apocalyptic number.

It is an amenable number.

1220143324 is a deficient number, since it is larger than the sum of its proper divisors (915107500).

1220143324 is a wasteful number, since it uses less digits than its factorization.

1220143324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305035835 (or 305035833 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1220143324 is about 34930.5500099841. The cubic root of 1220143324 is about 1068.5715716675.

Adding to 1220143324 its reverse (4233410221), we get a palindrome (5453553545).

The spelling of 1220143324 in words is "one billion, two hundred twenty million, one hundred forty-three thousand, three hundred twenty-four".