9959222 has 16 divisors (see below), whose sum is σ = 18386592. Its totient is φ = 3939840.

The previous prime is 9959219. The next prime is 9959227. The reversal of 9959222 is 2229599.

It is a happy number.

It is a super-2 number, since 2×9959222² = 198372205690568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 9⁵ + 9⁵ + 5¹⁰ + 9⁵ + 2 + 2⁶ + 2¹⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27179 + ... + 27542.

It is an arithmetic number, because the mean of its divisors is an integer number (1149162).

Almost surely, 2^9959222 is an apocalyptic number.

9959222 is a deficient number, since it is larger than the sum of its proper divisors (8427370).

9959222 is a wasteful number, since it uses less digits than its factorization.

9959222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54743.

The product of its digits is 29160, while the sum is 38.

The square root of 9959222 is about 3155.8235058381. The cubic root of 9959222 is about 215.1502249184.

The spelling of 9959222 in words is "nine million, nine hundred fifty-nine thousand, two hundred twenty-two".