42230977 has 4 divisors (see below), whose sum is σ = 44453680. Its totient is φ = 40008276.

The previous prime is 42230953. The next prime is 42230999. The reversal of 42230977 is 77903224.

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 42230977 - 2¹⁵ = 42198209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42230777) 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, 1111323 + ... + 1111360.

It is an arithmetic number, because the mean of its divisors is an integer number (11113420).

Almost surely, 2^42230977 is an apocalyptic number.

It is an amenable number.

42230977 is a deficient number, since it is larger than the sum of its proper divisors (2222703).

42230977 is a wasteful number, since it uses less digits than its factorization.

42230977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222702.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 42230977 is about 6498.5365275576. The cubic root of 42230977 is about 348.2387080462.

The spelling of 42230977 in words is "forty-two million, two hundred thirty thousand, nine hundred seventy-seven".