74022242 has 12 divisors (see below), whose sum is σ = 129161430. Its totient is φ = 31723776.

The previous prime is 74022217. The next prime is 74022251. The reversal of 74022242 is 24222047.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55368481 + 18653761 = 7441^2 + 4319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 377567 + ... + 377762.

Almost surely, 2^74022242 is an apocalyptic number.

74022242 is a deficient number, since it is larger than the sum of its proper divisors (55139188).

74022242 is a wasteful number, since it uses less digits than its factorization.

74022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755345 (or 755338 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 74022242 is about 8603.6179599050. The cubic root of 74022242 is about 419.8757039598.

Adding to 74022242 its reverse (24222047), we get a palindrome (98244289).

The spelling of 74022242 in words is "seventy-four million, twenty-two thousand, two hundred forty-two".