21442422335330 has 16 divisors (see below), whose sum is σ = 38605512843000. Its totient is φ = 8574935014272.

The previous prime is 21442422335273. The next prime is 21442422335359. The reversal of 21442422335330 is 3353322424412.

It can be written as a sum of positive squares in 4 ways, for example, as 21422206898569 + 20215436761 = 4628413^2 + 142181^2 .

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, 254195705 + ... + 254280044.

Almost surely, 2^{21442422335330} is an apocalyptic number.

21442422335330 is a deficient number, since it is larger than the sum of its proper divisors (17163090507670).

21442422335330 is a wasteful number, since it uses less digits than its factorization.

21442422335330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508479973.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 21442422335330 its reverse (3353322424412), we get a palindrome (24795744759742).

The spelling of 21442422335330 in words is "twenty-one trillion, four hundred forty-two billion, four hundred twenty-two million, three hundred thirty-five thousand, three hundred thirty".