74222610 has 192 divisors, whose sum is σ = 235339776. Its totient is φ = 14636160.

The previous prime is 74222597. The next prime is 74222611. The reversal of 74222610 is 1622247.

It is not an unprimeable number, because it can be changed into a prime (74222611) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 584367 + ... + 584493.

It is an arithmetic number, because the mean of its divisors is an integer number (1225728).

Almost surely, 2^74222610 is an apocalyptic number.

74222610 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74222610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117669888).

74222610 is an abundant number, since it is smaller than the sum of its proper divisors (161117166).

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

74222610 is a wasteful number, since it uses less digits than its factorization.

74222610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 74222610 is about 8615.2544942097. The cubic root of 74222610 is about 420.2542111833.

Adding to 74222610 its reverse (1622247), we get a palindrome (75844857).

The spelling of 74222610 in words is "seventy-four million, two hundred twenty-two thousand, six hundred ten".