1152223660 has 48 divisors (see below), whose sum is σ = 2840088384. Its totient is φ = 384369408.

The previous prime is 1152223649. The next prime is 1152223661. The reversal of 1152223660 is 663222511.

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

It is not an unprimeable number, because it can be changed into a prime (1152223661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106039 + ... + 116398.

It is an arithmetic number, because the mean of its divisors is an integer number (59168508).

Almost surely, 2^1152223660 is an apocalyptic number.

1152223660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152223660 is an abundant number, since it is smaller than the sum of its proper divisors (1687864724).

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

1152223660 is a wasteful number, since it uses less digits than its factorization.

1152223660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222490 (or 222488 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1152223660 is about 33944.4201600204. The cubic root of 1152223660 is about 1048.3643953098.

The spelling of 1152223660 in words is "one billion, one hundred fifty-two million, two hundred twenty-three thousand, six hundred sixty".