22061226 has 16 divisors (see below), whose sum is σ = 48133728. Its totient is φ = 6685200.

The previous prime is 22061177. The next prime is 22061227. The reversal of 22061226 is 62216022.

22061226 = 9² + 10² + ... + 404².

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (22061227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167065 + ... + 167196.

It is an arithmetic number, because the mean of its divisors is an integer number (3008358).

Almost surely, 2^22061226 is an apocalyptic number.

22061226 is an abundant number, since it is smaller than the sum of its proper divisors (26072502).

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

22061226 is a wasteful number, since it uses less digits than its factorization.

22061226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334277.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22061226 is about 4696.9379387001. The cubic root of 22061226 is about 280.4636281524.

Adding to 22061226 its reverse (62216022), we get a palindrome (84277248).

The spelling of 22061226 in words is "twenty-two million, sixty-one thousand, two hundred twenty-six".