22000010 has 16 divisors (see below), whose sum is σ = 40143816. Its totient is φ = 8679168.

The previous prime is 22000003. The next prime is 22000021. The reversal of 22000010 is 1000022.

It can be written as a sum of positive squares in 4 ways, for example, as 13315201 + 8684809 = 3649^2 + 2947^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 21999958 and 22000003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14339 + ... + 15798.

Almost surely, 2^22000010 is an apocalyptic number.

22000010 is a deficient number, since it is larger than the sum of its proper divisors (18143806).

22000010 is a wasteful number, since it uses less digits than its factorization.

22000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30217.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 22000010 is about 4690.4168258269. The cubic root of 22000010 is about 280.2039755207.

Adding to 22000010 its reverse (1000022), we get a palindrome (23000032).

The spelling of 22000010 in words is "twenty-two million, ten", and thus it is an aban number and an uban number.