74221201 has 16 divisors (see below), whose sum is σ = 84101760. Its totient is φ = 65076480.

The previous prime is 74221177. The next prime is 74221219. The reversal of 74221201 is 10212247.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74221201 - 2¹¹ = 74219153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74221501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17820 + ... + 21586.

It is an arithmetic number, because the mean of its divisors is an integer number (5256360).

Almost surely, 2^74221201 is an apocalyptic number.

It is an amenable number.

74221201 is a deficient number, since it is larger than the sum of its proper divisors (9880559).

74221201 is a wasteful number, since it uses less digits than its factorization.

74221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 74221201 is about 8615.1727202651. The cubic root of 74221201 is about 420.2515518771.

Adding to 74221201 its reverse (10212247), we get a palindrome (84433448).

The spelling of 74221201 in words is "seventy-four million, two hundred twenty-one thousand, two hundred one".