1220212232 has 32 divisors (see below), whose sum is σ = 2304694080. Its totient is φ = 605645760.

The previous prime is 1220212229. The next prime is 1220212249. The reversal of 1220212232 is 2322120221.

It is a super-2 number, since 2×1220212232² = 2977835782244843648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220212232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703238 + ... + 704970.

It is an arithmetic number, because the mean of its divisors is an integer number (72021690).

Almost surely, 2^1220212232 is an apocalyptic number.

It is an amenable number.

1220212232 is a deficient number, since it is larger than the sum of its proper divisors (1084481848).

1220212232 is a wasteful number, since it uses less digits than its factorization.

1220212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220212232 is about 34931.5363532725. The cubic root of 1220212232 is about 1068.5916872672.

Adding to 1220212232 its reverse (2322120221), we get a palindrome (3542332453).

The spelling of 1220212232 in words is "one billion, two hundred twenty million, two hundred twelve thousand, two hundred thirty-two".