26961222 has 16 divisors (see below), whose sum is σ = 54573120. Its totient is φ = 8878632.

The previous prime is 26961203. The next prime is 26961251. The reversal of 26961222 is 22216962.

It is a self number, because there is not a number n which added to its sum of digits gives 26961222.

It is a congruent number.

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, 26572 + ... + 27567.

It is an arithmetic number, because the mean of its divisors is an integer number (3410820).

Almost surely, 2^26961222 is an apocalyptic number.

26961222 is an abundant number, since it is smaller than the sum of its proper divisors (27611898).

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

26961222 is a wasteful number, since it uses less digits than its factorization.

26961222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54227.

The product of its digits is 5184, while the sum is 30.

The square root of 26961222 is about 5192.4196671687. The cubic root of 26961222 is about 299.8563089651.

The spelling of 26961222 in words is "twenty-six million, nine hundred sixty-one thousand, two hundred twenty-two".