42654221 has 8 divisors (see below), whose sum is σ = 44959200. Its totient is φ = 40355280.

The previous prime is 42654217. The next prime is 42654247. The reversal of 42654221 is 12245624.

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 42654221 - 2² = 42654217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42654211) 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, 26366 + ... + 27936.

It is an arithmetic number, because the mean of its divisors is an integer number (5619900).

Almost surely, 2^42654221 is an apocalyptic number.

It is an amenable number.

42654221 is a deficient number, since it is larger than the sum of its proper divisors (2304979).

42654221 is a wasteful number, since it uses less digits than its factorization.

42654221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its digits is 3840, while the sum is 26.

The square root of 42654221 is about 6531.0199050378. The cubic root of 42654221 is about 349.3982066802.

Adding to 42654221 its reverse (12245624), we get a palindrome (54899845).

It can be divided in two parts, 42654 and 221, that added together give a cube (42875 = 35³).

The spelling of 42654221 in words is "forty-two million, six hundred fifty-four thousand, two hundred twenty-one".