742221011 has 8 divisors (see below), whose sum is σ = 856998240. Its totient is φ = 629630208.

The previous prime is 742220993. The next prime is 742221047. The reversal of 742221011 is 110122247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 742221011 - 2¹⁰ = 742219987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742221061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545876 + ... + 547233.

It is an arithmetic number, because the mean of its divisors is an integer number (107124780).

Almost surely, 2^742221011 is an apocalyptic number.

742221011 is a deficient number, since it is larger than the sum of its proper divisors (114777229).

742221011 is a wasteful number, since it uses less digits than its factorization.

742221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093213.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 742221011 is about 27243.7334262395. The cubic root of 742221011 is about 905.4081819151.

Adding to 742221011 its reverse (110122247), we get a palindrome (852343258).

The spelling of 742221011 in words is "seven hundred forty-two million, two hundred twenty-one thousand, eleven".