42243369 has 16 divisors (see below), whose sum is σ = 64555392. Its totient is φ = 24069888.

The previous prime is 42243361. The next prime is 42243371. The reversal of 42243369 is 96334224.

It is not a de Polignac number, because 42243369 - 2³ = 42243361 is a prime.

It is a super-2 number, since 2×42243369² = 3569004448940322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42243361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5137 + ... + 10529.

It is an arithmetic number, because the mean of its divisors is an integer number (4034712).

Almost surely, 2^42243369 is an apocalyptic number.

It is an amenable number.

42243369 is a deficient number, since it is larger than the sum of its proper divisors (22312023).

42243369 is a wasteful number, since it uses less digits than its factorization.

42243369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776.

The product of its digits is 31104, while the sum is 33.

The square root of 42243369 is about 6499.4899030616. The cubic root of 42243369 is about 348.2727663951.

The spelling of 42243369 in words is "forty-two million, two hundred forty-three thousand, three hundred sixty-nine".