22312234 has 16 divisors (see below), whose sum is σ = 38310336. Its totient is φ = 9547200.

The previous prime is 22312229. The next prime is 22312259. The reversal of 22312234 is 43221322.

It is a super-3 number, since 3×22312234³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15714 + ... + 17074.

It is an arithmetic number, because the mean of its divisors is an integer number (2394396).

Almost surely, 2^22312234 is an apocalyptic number.

22312234 is a deficient number, since it is larger than the sum of its proper divisors (15998102).

22312234 is a wasteful number, since it uses less digits than its factorization.

22312234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541.

The product of its digits is 576, while the sum is 19.

The square root of 22312234 is about 4723.5827504131. The cubic root of 22312234 is about 281.5233047662.

Adding to 22312234 its reverse (43221322), we get a palindrome (65533556).

It can be divided in two parts, 2231 and 2234, that added together give a triangular number (4465 = T₉₄).

The spelling of 22312234 in words is "twenty-two million, three hundred twelve thousand, two hundred thirty-four".