422621471 has 8 divisors (see below), whose sum is σ = 428353488. Its totient is φ = 416920000.

The previous prime is 422621453. The next prime is 422621473. The reversal of 422621471 is 174126224.

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 422621471 - 2¹⁰ = 422620447 is a prime.

It is a super-3 number, since 3×422621471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422621473) 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, 20936 + ... + 35826.

It is an arithmetic number, because the mean of its divisors is an integer number (53544186).

Almost surely, 2^422621471 is an apocalyptic number.

422621471 is a deficient number, since it is larger than the sum of its proper divisors (5732017).

422621471 is a wasteful number, since it uses less digits than its factorization.

422621471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15273.

The product of its digits is 5376, while the sum is 29.

The square root of 422621471 is about 20557.7593866647. The cubic root of 422621471 is about 750.4420925396.

Adding to 422621471 its reverse (174126224), we get a palindrome (596747695).

The spelling of 422621471 in words is "four hundred twenty-two million, six hundred twenty-one thousand, four hundred seventy-one".