10509222 has 16 divisors (see below), whose sum is σ = 21136752. Its totient is φ = 3483360.

The previous prime is 10509203. The next prime is 10509241. The reversal of 10509222 is 22290501.

It is an interprime number because it is at equal distance from previous prime (10509203) and next prime (10509241).

It is a super-2 number, since 2×10509222² = 220887494090568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (1321047).

Almost surely, 2^10509222 is an apocalyptic number.

10509222 is an abundant number, since it is smaller than the sum of its proper divisors (10627530).

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

10509222 is a wasteful number, since it uses less digits than its factorization.

10509222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10509222 is about 3241.7930223875. The cubic root of 10509222 is about 219.0400460535.

Adding to 10509222 its reverse (22290501), we get a palindrome (32799723).

It can be divided in two parts, 10509 and 222, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 10509222 in words is "ten million, five hundred nine thousand, two hundred twenty-two".