22279086 has 12 divisors (see below), whose sum is σ = 48271392. Its totient is φ = 7426356.

The previous prime is 22279079. The next prime is 22279087. The reversal of 22279086 is 68097222.

It is a self number, because there is not a number n which added to its sum of digits gives 22279086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22279087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 618846 + ... + 618881.

It is an arithmetic number, because the mean of its divisors is an integer number (4022616).

Almost surely, 2^22279086 is an apocalyptic number.

22279086 is an abundant number, since it is smaller than the sum of its proper divisors (25992306).

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

22279086 is a wasteful number, since it uses less digits than its factorization.

22279086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237735 (or 1237732 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 22279086 is about 4720.0726689321. The cubic root of 22279086 is about 281.3838213535.

The spelling of 22279086 in words is "twenty-two million, two hundred seventy-nine thousand, eighty-six".