1001222199 has 12 divisors (see below), whose sum is σ = 1447586712. Its totient is φ = 666846000.

The previous prime is 1001222197. The next prime is 1001222207. The reversal of 1001222199 is 9912221001.

It is not a de Polignac number, because 1001222199 - 2¹ = 1001222197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42877 + ... + 61974.

It is an arithmetic number, because the mean of its divisors is an integer number (120632226).

Almost surely, 2^1001222199 is an apocalyptic number.

1001222199 is a deficient number, since it is larger than the sum of its proper divisors (446364513).

1001222199 is a wasteful number, since it uses less digits than its factorization.

1001222199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105918 (or 105915 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1001222199 is about 31642.0953636133. The cubic root of 1001222199 is about 1000.4072338048.

The spelling of 1001222199 in words is "one billion, one million, two hundred twenty-two thousand, one hundred ninety-nine".