74222548 has 12 divisors (see below), whose sum is σ = 131719392. Its totient is φ = 36588440.

The previous prime is 74222537. The next prime is 74222549. The reversal of 74222548 is 84522247.

It is a super-2 number, since 2×74222548² = 11017973263224608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74222549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130390 + ... + 130957.

It is an arithmetic number, because the mean of its divisors is an integer number (10976616).

Almost surely, 2^74222548 is an apocalyptic number.

It is an amenable number.

74222548 is a deficient number, since it is larger than the sum of its proper divisors (57496844).

74222548 is a wasteful number, since it uses less digits than its factorization.

74222548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261422 (or 261420 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 74222548 is about 8615.2508959403. The cubic root of 74222548 is about 420.2540941669.

The spelling of 74222548 in words is "seventy-four million, two hundred twenty-two thousand, five hundred forty-eight".