74661222 has 16 divisors (see below), whose sum is σ = 157181760. Its totient is φ = 23577192.

The previous prime is 74661217. The next prime is 74661253. The reversal of 74661222 is 22216647.

It is a self number, because there is not a number n which added to its sum of digits gives 74661222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327348 + ... + 327575.

It is an arithmetic number, because the mean of its divisors is an integer number (9823860).

Almost surely, 2^74661222 is an apocalyptic number.

74661222 is an abundant number, since it is smaller than the sum of its proper divisors (82520538).

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

74661222 is a wasteful number, since it uses less digits than its factorization.

74661222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654947.

The product of its digits is 8064, while the sum is 30.

The square root of 74661222 is about 8640.6725432688. The cubic root of 74661222 is about 421.0804043353.

Adding to 74661222 its reverse (22216647), we get a palindrome (96877869).

The spelling of 74661222 in words is "seventy-four million, six hundred sixty-one thousand, two hundred twenty-two".