422340234421 has 8 divisors (see below), whose sum is σ = 482689718784. Its totient is φ = 361994541360.

The previous prime is 422340234419. The next prime is 422340234479. The reversal of 422340234421 is 124432043224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422340234421 - 2¹ = 422340234419 is a prime.

It is a super-2 number, since 2×422340234421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422340232421) 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, 704965 + ... + 1158298.

It is an arithmetic number, because the mean of its divisors is an integer number (60336214848).

Almost surely, 2^422340234421 is an apocalyptic number.

It is an amenable number.

422340234421 is a deficient number, since it is larger than the sum of its proper divisors (60349484363).

422340234421 is a wasteful number, since it uses less digits than its factorization.

422340234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895651.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 422340234421 its reverse (124432043224), we get a palindrome (546772277645).

The spelling of 422340234421 in words is "four hundred twenty-two billion, three hundred forty million, two hundred thirty-four thousand, four hundred twenty-one".