74222454 has 8 divisors (see below), whose sum is σ = 148444920. Its totient is φ = 24740816.

The previous prime is 74222453. The next prime is 74222461. The reversal of 74222454 is 45422247.

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

74222454 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74222453) 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, 6185199 + ... + 6185210.

It is an arithmetic number, because the mean of its divisors is an integer number (18555615).

Almost surely, 2^74222454 is an apocalyptic number.

74222454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74222454 is a wasteful number, since it uses less digits than its factorization.

74222454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370414.

The product of its digits is 17920, while the sum is 30.

The square root of 74222454 is about 8615.2454404967. The cubic root of 74222454 is about 420.2539167550.

The spelling of 74222454 in words is "seventy-four million, two hundred twenty-two thousand, four hundred fifty-four".