26222478 has 16 divisors (see below), whose sum is σ = 52586496. Its totient is φ = 8717240.

The previous prime is 26222477. The next prime is 26222513. The reversal of 26222478 is 87422262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26222477) 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, 3408 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (3286656).

Almost surely, 2^26222478 is an apocalyptic number.

26222478 is an abundant number, since it is smaller than the sum of its proper divisors (26364018).

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

26222478 is a wasteful number, since it uses less digits than its factorization.

26222478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11799.

The product of its digits is 21504, while the sum is 33.

The square root of 26222478 is about 5120.7888064243. The cubic root of 26222478 is about 297.0921955269.

The spelling of 26222478 in words is "twenty-six million, two hundred twenty-two thousand, four hundred seventy-eight".