1223580970 has 8 divisors (see below), whose sum is σ = 2202445764. Its totient is φ = 489432384.

The previous prime is 1223580961. The next prime is 1223580971. The reversal of 1223580970 is 790853221.

It can be written as a sum of positive squares in 2 ways, for example, as 1122317001 + 101263969 = 33501^2 + 10063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1223580970² = 2994300780292281800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223580971) 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, 61179039 + ... + 61179058.

Almost surely, 2^1223580970 is an apocalyptic number.

1223580970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223580970 is a deficient number, since it is larger than the sum of its proper divisors (978864794).

1223580970 is a wasteful number, since it uses less digits than its factorization.

1223580970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122358104.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1223580970 is about 34979.7222687659. The cubic root of 1223580970 is about 1069.5741660096.

The spelling of 1223580970 in words is "one billion, two hundred twenty-three million, five hundred eighty thousand, nine hundred seventy".