22431034 has 4 divisors (see below), whose sum is σ = 33646554. Its totient is φ = 11215516.

The previous prime is 22430987. The next prime is 22431047. The reversal of 22431034 is 43013422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 199809 = 4715^2 + 447^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607757 + ... + 5607760.

Almost surely, 2^22431034 is an apocalyptic number.

22431034 is a deficient number, since it is larger than the sum of its proper divisors (11215520).

22431034 is a wasteful number, since it uses less digits than its factorization.

22431034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215519.

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

The square root of 22431034 is about 4736.1412563394. The cubic root of 22431034 is about 282.0220712735.

Adding to 22431034 its reverse (43013422), we get a palindrome (65444456).

It can be divided in two parts, 22 and 431034, that added together give a triangular number (431056 = T₉₂₈).

The spelling of 22431034 in words is "twenty-two million, four hundred thirty-one thousand, thirty-four".