21422402444414 has 16 divisors (see below), whose sum is σ = 33243343099200. Its totient is φ = 10341325503264.

The previous prime is 21422402444411. The next prime is 21422402444449. The reversal of 21422402444414 is 41444420422412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422402444411) 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, 8200397 + ... + 10492440.

It is an arithmetic number, because the mean of its divisors is an integer number (2077708943700).

Almost surely, 2^{21422402444414} is an apocalyptic number.

21422402444414 is a deficient number, since it is larger than the sum of its proper divisors (11820940654786).

21422402444414 is a wasteful number, since it uses less digits than its factorization.

21422402444414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18712627.

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 21422402444414 its reverse (41444420422412), we get a palindrome (62866822866826).

The spelling of 21422402444414 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred two million, four hundred forty-four thousand, four hundred fourteen".