1000221010 has 64 divisors (see below), whose sum is σ = 1997063424. Its totient is φ = 358758400.

The previous prime is 1000221007. The next prime is 1000221017. The reversal of 1000221010 is 101220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000220984 and 1000221002.

It is not an unprimeable number, because it can be changed into a prime (1000221017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1919550 + ... + 1920070.

It is an arithmetic number, because the mean of its divisors is an integer number (31204116).

Almost surely, 2^1000221010 is an apocalyptic number.

1000221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000221010 is a deficient number, since it is larger than the sum of its proper divisors (996842414).

1000221010 is a wasteful number, since it uses less digits than its factorization.

1000221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1000221010 is about 31626.2708835550. The cubic root of 1000221010 is about 1000.0736645734.

Adding to 1000221010 its reverse (101220001), we get a palindrome (1101441011).

The spelling of 1000221010 in words is "one billion, two hundred twenty-one thousand, ten".