19454482 has 4 divisors (see below), whose sum is σ = 29181726. Its totient is φ = 9727240.

The previous prime is 19454471. The next prime is 19454503. The reversal of 19454482 is 28445491.

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

It can be written as a sum of positive squares in only one way, i.e., 14432401 + 5022081 = 3799^2 + 2241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4863619 + ... + 4863622.

Almost surely, 2^19454482 is an apocalyptic number.

19454482 is a deficient number, since it is larger than the sum of its proper divisors (9727244).

19454482 is an equidigital number, since it uses as much as digits as its factorization.

19454482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727243.

The product of its digits is 46080, while the sum is 37.

The square root of 19454482 is about 4410.7235234143. The cubic root of 19454482 is about 268.9510374625.

The spelling of 19454482 in words is "nineteen million, four hundred fifty-four thousand, four hundred eighty-two".