1220314433 has 16 divisors (see below), whose sum is σ = 1324552320. Its totient is φ = 1117597824.

The previous prime is 1220314429. The next prime is 1220314457. The reversal of 1220314433 is 3344130221.

It is a cyclic number.

It is not a de Polignac number, because 1220314433 - 2² = 1220314429 is a prime.

It is a super-2 number, since 2×1220314433² = 2978334630776222978, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1220314399 and 1220314408.

It is not an unprimeable number, because it can be changed into a prime (1220314423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147460 + ... + 1148522.

It is an arithmetic number, because the mean of its divisors is an integer number (82784520).

Almost surely, 2^1220314433 is an apocalyptic number.

1220314433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1220314433 is a deficient number, since it is larger than the sum of its proper divisors (104237887).

1220314433 is a wasteful number, since it uses less digits than its factorization.

1220314433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1220314433 is about 34932.9991984656. Note that the first 3 decimals coincide. The cubic root of 1220314433 is about 1068.6215203534.

Adding to 1220314433 its reverse (3344130221), we get a palindrome (4564444654).

The spelling of 1220314433 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, four hundred thirty-three".