22022010 has 32 divisors (see below), whose sum is σ = 58726080. Its totient is φ = 5872464.

The previous prime is 22022009. The next prime is 22022023. The reversal of 22022010 is 1022022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22021983 and 22022001.

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 15 ways as a sum of consecutive naturals, for example, 40512 + ... + 41051.

It is an arithmetic number, because the mean of its divisors is an integer number (1835190).

Almost surely, 2^22022010 is an apocalyptic number.

22022010 is an abundant number, since it is smaller than the sum of its proper divisors (36704070).

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

22022010 is a wasteful number, since it uses less digits than its factorization.

22022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81579 (or 81573 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 22022010 is about 4692.7614471652. The cubic root of 22022010 is about 280.2973456869.

Adding to 22022010 its reverse (1022022), we get a palindrome (23044032).

The spelling of 22022010 in words is "twenty-two million, twenty-two thousand, ten".