22281010 has 8 divisors (see below), whose sum is σ = 40105836. Its totient is φ = 8912400.

The previous prime is 22280989. The next prime is 22281023. The reversal of 22281010 is 1018222.

It can be written as a sum of positive squares in 2 ways, for example, as 21353641 + 927369 = 4621^2 + 963^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114041 + ... + 1114060.

Almost surely, 2^22281010 is an apocalyptic number.

22281010 is a deficient number, since it is larger than the sum of its proper divisors (17824826).

22281010 is a wasteful number, since it uses less digits than its factorization.

22281010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228108.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 22281010 is about 4720.2764749536. The cubic root of 22281010 is about 281.3919211306.

Adding to 22281010 its reverse (1018222), we get a palindrome (23299232).

The spelling of 22281010 in words is "twenty-two million, two hundred eighty-one thousand, ten".