42244366 has 4 divisors (see below), whose sum is σ = 63366552. Its totient is φ = 21122182.

The previous prime is 42244357. The next prime is 42244369. The reversal of 42244366 is 66344224.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10561090 + ... + 10561093.

It is an arithmetic number, because the mean of its divisors is an integer number (15841638).

Almost surely, 2^42244366 is an apocalyptic number.

42244366 is a deficient number, since it is larger than the sum of its proper divisors (21122186).

42244366 is a wasteful number, since it uses less digits than its factorization.

42244366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122185.

The product of its digits is 27648, while the sum is 31.

The square root of 42244366 is about 6499.5666009358. The cubic root of 42244366 is about 348.2755062745.

The spelling of 42244366 in words is "forty-two million, two hundred forty-four thousand, three hundred sixty-six".