22434340 has 24 divisors (see below), whose sum is σ = 47211192. Its totient is φ = 8954880.

The previous prime is 22434329. The next prime is 22434353. The reversal of 22434340 is 4343422.

It can be written as a sum of positive squares in 4 ways, for example, as 10969344 + 11464996 = 3312^2 + 3386^2 .

It is a super-2 number, since 2×22434340² = 1006599222471200, which contains 22 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, 12372 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (1967133).

Almost surely, 2^22434340 is an apocalyptic number.

22434340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22434340 is an abundant number, since it is smaller than the sum of its proper divisors (24776852).

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

22434340 is a wasteful number, since it uses less digits than its factorization.

22434340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 22434340 is about 4736.4902617867. The cubic root of 22434340 is about 282.0359258758.

Adding to 22434340 its reverse (4343422), we get a palindrome (26777762).

It can be divided in two parts, 2 and 2434340, that added together give a palindrome (2434342).

The spelling of 22434340 in words is "twenty-two million, four hundred thirty-four thousand, three hundred forty".