1220748232 has 64 divisors (see below), whose sum is σ = 2554675200. Its totient is φ = 542184000.

The previous prime is 1220748203. The next prime is 1220748283. The reversal of 1220748232 is 2328470221.

It is a super-2 number, since 2×1220748232² = 2980452491862251648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220748194 and 1220748203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991057 + ... + 992287.

It is an arithmetic number, because the mean of its divisors is an integer number (39916800).

Almost surely, 2^1220748232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220748232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277337600).

1220748232 is an abundant number, since it is smaller than the sum of its proper divisors (1333926968).

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

1220748232 is a wasteful number, since it uses less digits than its factorization.

1220748232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1220748232 is about 34939.2076613079. The cubic root of 1220748232 is about 1068.7481303525.

The spelling of 1220748232 in words is "one billion, two hundred twenty million, seven hundred forty-eight thousand, two hundred thirty-two".