1000555224 has 64 divisors (see below), whose sum is σ = 2540160000. Its totient is φ = 328373760.

The previous prime is 1000555207. The next prime is 1000555229. The reversal of 1000555224 is 4225550001.

It is a happy number.

1000555224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000555224² = 2002221512547380352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1000555194 and 1000555203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000555229) 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, 1135264 + ... + 1136144.

It is an arithmetic number, because the mean of its divisors is an integer number (39690000).

Almost surely, 2^1000555224 is an apocalyptic number.

It is an amenable number.

1000555224 is an abundant number, since it is smaller than the sum of its proper divisors (1539604776).

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

1000555224 is a wasteful number, since it uses less digits than its factorization.

1000555224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1000555224 is about 31631.5542457212. The cubic root of 1000555224 is about 1000.1850404246.

The spelling of 1000555224 in words is "one billion, five hundred fifty-five thousand, two hundred twenty-four".