1220811714 has 24 divisors (see below), whose sum is σ = 2648483760. Its totient is φ = 406415448.

The previous prime is 1220811703. The next prime is 1220811719. The reversal of 1220811714 is 4171180221.

It is not an unprimeable number, because it can be changed into a prime (1220811719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28924 + ... + 57255.

It is an arithmetic number, because the mean of its divisors is an integer number (110353490).

Almost surely, 2^1220811714 is an apocalyptic number.

1220811714 is an abundant number, since it is smaller than the sum of its proper divisors (1427672046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220811714 is a wasteful number, since it uses less digits than its factorization.

1220811714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86974 (or 86971 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1220811714 is about 34940.1161131442. The cubic root of 1220811714 is about 1068.7666559013.

Adding to 1220811714 its reverse (4171180221), we get a palindrome (5391991935).

The spelling of 1220811714 in words is "one billion, two hundred twenty million, eight hundred eleven thousand, seven hundred fourteen".