422989454 has 4 divisors (see below), whose sum is σ = 634484184. Its totient is φ = 211494726.

The previous prime is 422989429. The next prime is 422989459. The reversal of 422989454 is 454989224.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 422989399 and 422989408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422989459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105747362 + ... + 105747365.

It is an arithmetic number, because the mean of its divisors is an integer number (158621046).

Almost surely, 2^422989454 is an apocalyptic number.

422989454 is a deficient number, since it is larger than the sum of its proper divisors (211494730).

422989454 is a wasteful number, since it uses less digits than its factorization.

422989454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211494729.

The product of its digits is 829440, while the sum is 47.

The square root of 422989454 is about 20566.7074175717. The cubic root of 422989454 is about 750.6598365027.

The spelling of 422989454 in words is "four hundred twenty-two million, nine hundred eighty-nine thousand, four hundred fifty-four".