22441431 has 8 divisors (see below), whose sum is σ = 30201984. Its totient is φ = 14820920.

The previous prime is 22441379. The next prime is 22441459. The reversal of 22441431 is 13414422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22441431 - 2¹³ = 22433239 is a prime.

It is a super-2 number, since 2×22441431² = 1007235650655522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22441398 and 22441407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34635 + ... + 35276.

It is an arithmetic number, because the mean of its divisors is an integer number (3775248).

Almost surely, 2^22441431 is an apocalyptic number.

22441431 is a deficient number, since it is larger than the sum of its proper divisors (7760553).

22441431 is a wasteful number, since it uses less digits than its factorization.

22441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70021.

The product of its digits is 768, while the sum is 21.

The square root of 22441431 is about 4737.2387526913. The cubic root of 22441431 is about 282.0656378572.

Adding to 22441431 its reverse (13414422), we get a palindrome (35855853).

The spelling of 22441431 in words is "twenty-two million, four hundred forty-one thousand, four hundred thirty-one".