22442130340 has 36 divisors (see below), whose sum is σ = 54822920796. Its totient is φ = 7694444352.

The previous prime is 22442130329. The next prime is 22442130349. The reversal of 22442130340 is 4303124422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5823826596 + 16618303744 = 76314^2 + 128912^2 .

It is not an unprimeable number, because it can be changed into a prime (22442130349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11449087 + ... + 11451046.

It is an arithmetic number, because the mean of its divisors is an integer number (1522858911).

Almost surely, 2^22442130340 is an apocalyptic number.

22442130340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442130340 is an abundant number, since it is smaller than the sum of its proper divisors (32380790456).

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

22442130340 is a wasteful number, since it uses less digits than its factorization.

22442130340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900156 (or 22900147 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22442130340 its reverse (4303124422), we get a palindrome (26745254762).

The spelling of 22442130340 in words is "twenty-two billion, four hundred forty-two million, one hundred thirty thousand, three hundred forty".