16422454 has 4 divisors (see below), whose sum is σ = 24633684. Its totient is φ = 8211226.

The previous prime is 16422451. The next prime is 16422457. The reversal of 16422454 is 45422461.

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

It is an interprime number because it is at equal distance from previous prime (16422451) and next prime (16422457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105612 + ... + 4105615.

It is an arithmetic number, because the mean of its divisors is an integer number (6158421).

Almost surely, 2^16422454 is an apocalyptic number.

16422454 is a deficient number, since it is larger than the sum of its proper divisors (8211230).

16422454 is an equidigital number, since it uses as much as digits as its factorization.

16422454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211229.

The product of its digits is 7680, while the sum is 28.

The square root of 16422454 is about 4052.4627080332. The cubic root of 16422454 is about 254.1827172282.

It can be divided in two parts, 1642 and 2454, that added together give a 12-th power (4096 = 2¹²).

The spelling of 16422454 in words is "sixteen million, four hundred twenty-two thousand, four hundred fifty-four".