22015010 has 8 divisors (see below), whose sum is σ = 39627036. Its totient is φ = 8806000.

The previous prime is 22015001. The next prime is 22015013. The reversal of 22015010 is 1051022.

It can be written as a sum of positive squares in 2 ways, for example, as 21743569 + 271441 = 4663^2 + 521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22014982 and 22015000.

It is not an unprimeable number, because it can be changed into a prime (22015013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100741 + ... + 1100760.

Almost surely, 2^22015010 is an apocalyptic number.

22015010 is a deficient number, since it is larger than the sum of its proper divisors (17612026).

22015010 is a wasteful number, since it uses less digits than its factorization.

22015010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201508.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 22015010 is about 4692.0155583715. The cubic root of 22015010 is about 280.2676437456.

Adding to 22015010 its reverse (1051022), we get a palindrome (23066032).

The spelling of 22015010 in words is "twenty-two million, fifteen thousand, ten".