40722241 has 8 divisors (see below), whose sum is σ = 46592064. Its totient is φ = 34865520.

The previous prime is 40722233. The next prime is 40722277. The reversal of 40722241 is 14222704.

It is a happy number.

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 40722241 - 2³ = 40722233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40722221) 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, 4686 + ... + 10168.

It is an arithmetic number, because the mean of its divisors is an integer number (5824008).

Almost surely, 2^40722241 is an apocalyptic number.

It is an amenable number.

40722241 is a deficient number, since it is larger than the sum of its proper divisors (5869823).

40722241 is a wasteful number, since it uses less digits than its factorization.

40722241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40722241 is about 6381.3980443160. The cubic root of 40722241 is about 344.0412814394.

Adding to 40722241 its reverse (14222704), we get a palindrome (54944945).

The spelling of 40722241 in words is "forty million, seven hundred twenty-two thousand, two hundred forty-one".