42454522 has 8 divisors (see below), whose sum is σ = 69471072. Its totient is φ = 19297500.

The previous prime is 42454507. The next prime is 42454523. The reversal of 42454522 is 22545424.

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

It is a super-3 number, since 3×42454522³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42454523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964854 + ... + 964897.

It is an arithmetic number, because the mean of its divisors is an integer number (8683884).

Almost surely, 2^42454522 is an apocalyptic number.

42454522 is a deficient number, since it is larger than the sum of its proper divisors (27016550).

42454522 is a wasteful number, since it uses less digits than its factorization.

42454522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929764.

The product of its digits is 12800, while the sum is 28.

The square root of 42454522 is about 6515.7134682243. The cubic root of 42454522 is about 348.8520813868.

Adding to 42454522 its reverse (22545424), we get a palindrome (64999946).

It can be divided in two parts, 424 and 54522, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 42454522 in words is "forty-two million, four hundred fifty-four thousand, five hundred twenty-two".