22285693 has 4 divisors (see below), whose sum is σ = 22599648. Its totient is φ = 21971740.

The previous prime is 22285619. The next prime is 22285699. The reversal of 22285693 is 39658222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22285693 is a prime.

It is a super-2 number, since 2×22285693² = 993304224980498, 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 (22285699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156871 + ... + 157012.

It is an arithmetic number, because the mean of its divisors is an integer number (5649912).

Almost surely, 2^22285693 is an apocalyptic number.

It is an amenable number.

22285693 is a deficient number, since it is larger than the sum of its proper divisors (313955).

22285693 is an equidigital number, since it uses as much as digits as its factorization.

22285693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313954.

The product of its digits is 51840, while the sum is 37.

The square root of 22285693 is about 4720.7725003436. The cubic root of 22285693 is about 281.4116339721.

It can be divided in two parts, 2228 and 5693, that added together give a square (7921 = 89²).

The spelling of 22285693 in words is "twenty-two million, two hundred eighty-five thousand, six hundred ninety-three".