22026487 has 8 divisors (see below), whose sum is σ = 25315200. Its totient is φ = 18773304.

The previous prime is 22026481. The next prime is 22026493. The reversal of 22026487 is 78462022.

It is an interprime number because it is at equal distance from previous prime (22026481) and next prime (22026493).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22026487 - 2¹⁹ = 21502199 is a prime.

It is a super-2 number, since 2×22026487² = 970332259122338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026481) 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, 7537 + ... + 10042.

It is an arithmetic number, because the mean of its divisors is an integer number (3164400).

Almost surely, 2^22026487 is an apocalyptic number.

22026487 is a deficient number, since it is larger than the sum of its proper divisors (3288713).

22026487 is a wasteful number, since it uses less digits than its factorization.

22026487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17765.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 22026487 is about 4693.2384341731. The cubic root of 22026487 is about 280.3163389001.

The spelling of 22026487 in words is "twenty-two million, twenty-six thousand, four hundred eighty-seven".