1223130664 has 16 divisors (see below), whose sum is σ = 2620994400. Its totient is φ = 524198832.

The previous prime is 1223130617. The next prime is 1223130677. The reversal of 1223130664 is 4660313221.

It is a super-3 number, since 3×1223130664³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 10920754 + ... + 10920865.

It is an arithmetic number, because the mean of its divisors is an integer number (163812150).

Almost surely, 2^1223130664 is an apocalyptic number.

1223130664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1223130664 is an abundant number, since it is smaller than the sum of its proper divisors (1397863736).

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

1223130664 is a wasteful number, since it uses less digits than its factorization.

1223130664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841632 (or 21841628 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1223130664 is about 34973.2850044144. The cubic root of 1223130664 is about 1069.4429405949.

Adding to 1223130664 its reverse (4660313221), we get a palindrome (5883443885).

The spelling of 1223130664 in words is "one billion, two hundred twenty-three million, one hundred thirty thousand, six hundred sixty-four".