26222238 has 32 divisors (see below), whose sum is σ = 66597120. Its totient is φ = 7491960.

The previous prime is 26222237. The next prime is 26222243. The reversal of 26222238 is 83222262.

It is a happy number.

26222238 is a `hidden beast` number, since 2 + 622 + 2 + 2 + 38 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26222237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34308 + ... + 35063.

It is an arithmetic number, because the mean of its divisors is an integer number (2081160).

Almost surely, 2^26222238 is an apocalyptic number.

26222238 is an abundant number, since it is smaller than the sum of its proper divisors (40374882).

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

26222238 is a wasteful number, since it uses less digits than its factorization.

26222238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69389 (or 69383 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 26222238 is about 5120.7653724810. The cubic root of 26222238 is about 297.0912891500.

It can be divided in two parts, 262 and 22238, that added together give a square (22500 = 150²).

The spelling of 26222238 in words is "twenty-six million, two hundred twenty-two thousand, two hundred thirty-eight".