1008641222 has 16 divisors (see below), whose sum is σ = 1540629072. Its totient is φ = 495129120.

The previous prime is 1008641213. The next prime is 1008641243. The reversal of 1008641222 is 2221468001.

It is a happy number.

1008641222 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 2×1008641222² = 2034714229435306568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1008641191 and 1008641200.

It is a congruent number.

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, 60533 + ... + 75375.

It is an arithmetic number, because the mean of its divisors is an integer number (96289317).

Almost surely, 2^1008641222 is an apocalyptic number.

1008641222 is a deficient number, since it is larger than the sum of its proper divisors (531987850).

1008641222 is a wasteful number, since it uses less digits than its factorization.

1008641222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15463.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1008641222 is about 31759.1124246255. The cubic root of 1008641222 is about 1002.8721501889.

The spelling of 1008641222 in words is "one billion, eight million, six hundred forty-one thousand, two hundred twenty-two".