22026087 has 10 divisors (see below), whose sum is σ = 32903288. Its totient is φ = 14684004.

The previous prime is 22026083. The next prime is 22026107. The reversal of 22026087 is 78062022.

It is not a de Polignac number, because 22026087 - 2² = 22026083 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22026087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026083) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 135883 + ... + 136044.

Almost surely, 2^22026087 is an apocalyptic number.

22026087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22026087 is a deficient number, since it is larger than the sum of its proper divisors (10877201).

22026087 is an equidigital number, since it uses as much as digits as its factorization.

22026087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271939 (or 271930 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22026087 is about 4693.1958194816. The cubic root of 22026087 is about 280.3146420458.

The spelling of 22026087 in words is "twenty-two million, twenty-six thousand, eighty-seven".