22361838 has 32 divisors (see below), whose sum is σ = 46227456. Its totient is φ = 7206048.

The previous prime is 22361837. The next prime is 22361839. The reversal of 22361838 is 83816322.

It is an interprime number because it is at equal distance from previous prime (22361837) and next prime (22361839).

It is a junction number, because it is equal to n+sod(n) for n = 22361799 and 22361808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22361837) 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, 58195 + ... + 58577.

It is an arithmetic number, because the mean of its divisors is an integer number (1444608).

Almost surely, 2^22361838 is an apocalyptic number.

22361838 is an abundant number, since it is smaller than the sum of its proper divisors (23865618).

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

22361838 is a wasteful number, since it uses less digits than its factorization.

22361838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its digits is 13824, while the sum is 33.

The square root of 22361838 is about 4728.8305108134. The cubic root of 22361838 is about 281.7317755410.

The spelling of 22361838 in words is "twenty-two million, three hundred sixty-one thousand, eight hundred thirty-eight".