42232641 has 32 divisors (see below), whose sum is σ = 65899008. Its totient is φ = 23773440.

The previous prime is 42232637. The next prime is 42232643. The reversal of 42232641 is 14623224.

It is not a de Polignac number, because 42232641 - 2² = 42232637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42232643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46110 + ... + 47016.

It is an arithmetic number, because the mean of its divisors is an integer number (2059344).

Almost surely, 2^42232641 is an apocalyptic number.

It is an amenable number.

42232641 is a deficient number, since it is larger than the sum of its proper divisors (23666367).

42232641 is a wasteful number, since it uses less digits than its factorization.

42232641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021.

The product of its digits is 2304, while the sum is 24.

The square root of 42232641 is about 6498.6645551221. The cubic root of 42232641 is about 348.2432817947.

Adding to 42232641 its reverse (14623224), we get a palindrome (56855865).

The spelling of 42232641 in words is "forty-two million, two hundred thirty-two thousand, six hundred forty-one".