22442333405 has 16 divisors (see below), whose sum is σ = 27378698544. Its totient is φ = 17655406080.

The previous prime is 22442333383. The next prime is 22442333423. The reversal of 22442333405 is 50433324422.

It can be written as a sum of positive squares in 8 ways, for example, as 2928757924 + 19513575481 = 54118^2 + 139691^2 .

It is not a de Polignac number, because 22442333405 - 2¹² = 22442329309 is a prime.

It is a super-2 number, since 2×22442333405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379479 + ... + 2388891.

It is an arithmetic number, because the mean of its divisors is an integer number (1711168659).

Almost surely, 2^22442333405 is an apocalyptic number.

It is an amenable number.

22442333405 is a deficient number, since it is larger than the sum of its proper divisors (4936365139).

22442333405 is an equidigital number, since it uses as much as digits as its factorization.

22442333405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17296.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 22442333405 its reverse (50433324422), we get a palindrome (72875657827).

The spelling of 22442333405 in words is "twenty-two billion, four hundred forty-two million, three hundred thirty-three thousand, four hundred five".