42232277 has 4 divisors (see below), whose sum is σ = 42393120. Its totient is φ = 42071436.

The previous prime is 42232271. The next prime is 42232279. The reversal of 42232277 is 77223224.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 42232277 - 2⁶ = 42232213 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 (42232271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80027 + ... + 80552.

It is an arithmetic number, because the mean of its divisors is an integer number (10598280).

Almost surely, 2^42232277 is an apocalyptic number.

It is an amenable number.

42232277 is a deficient number, since it is larger than the sum of its proper divisors (160843).

42232277 is a wasteful number, since it uses less digits than its factorization.

42232277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160842.

The product of its digits is 9408, while the sum is 29.

The square root of 42232277 is about 6498.6365493079. The cubic root of 42232277 is about 348.2422812975.

The spelling of 42232277 in words is "forty-two million, two hundred thirty-two thousand, two hundred seventy-seven".