26222646 has 16 divisors (see below), whose sum is σ = 52590384. Its totient is φ = 8716704.

The previous prime is 26222627. The next prime is 26222671. The reversal of 26222646 is 64622262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3621 + ... + 8096.

It is an arithmetic number, because the mean of its divisors is an integer number (3286899).

Almost surely, 2^26222646 is an apocalyptic number.

26222646 is an abundant number, since it is smaller than the sum of its proper divisors (26367738).

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

26222646 is a wasteful number, since it uses less digits than its factorization.

26222646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12095.

The product of its digits is 13824, while the sum is 30.

The square root of 26222646 is about 5120.8052101208. The cubic root of 26222646 is about 297.0928299875.

The spelling of 26222646 in words is "twenty-six million, two hundred twenty-two thousand, six hundred forty-six".