1228000007 has 4 divisors (see below), whose sum is σ = 1322461560. Its totient is φ = 1133538456.

The previous prime is 1227999917. The next prime is 1228000009. The reversal of 1228000007 is 7000008221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000008221 = 79 ⋅88607699.

It is a cyclic number.

It is not a de Polignac number, because 1228000007 - 2¹⁰ = 1227998983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228000009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47230757 + ... + 47230782.

It is an arithmetic number, because the mean of its divisors is an integer number (330615390).

Almost surely, 2^1228000007 is an apocalyptic number.

1228000007 is a deficient number, since it is larger than the sum of its proper divisors (94461553).

1228000007 is an equidigital number, since it uses as much as digits as its factorization.

1228000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94461552.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1228000007 is about 35042.8310357482. The cubic root of 1228000007 is about 1070.8602297083.

Adding to 1228000007 its reverse (7000008221), we get a palindrome (8228008228).

The spelling of 1228000007 in words is "one billion, two hundred twenty-eight million, seven", and thus it is an aban number.