940221741 has 4 divisors (see below), whose sum is σ = 1253628992. Its totient is φ = 626814492.

The previous prime is 940221727. The next prime is 940221781. The reversal of 940221741 is 147122049.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 940221741 - 2⁷ = 940221613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 940221699 and 940221708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940221781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156703621 + ... + 156703626.

It is an arithmetic number, because the mean of its divisors is an integer number (313407248).

Almost surely, 2^940221741 is an apocalyptic number.

It is an amenable number.

940221741 is a deficient number, since it is larger than the sum of its proper divisors (313407251).

940221741 is a wasteful number, since it uses less digits than its factorization.

940221741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313407250.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 940221741 is about 30663.0354172577. The cubic root of 940221741 is about 979.6631290438.

The spelling of 940221741 in words is "nine hundred forty million, two hundred twenty-one thousand, seven hundred forty-one".