42248437 has 24 divisors (see below), whose sum is σ = 54205632. Its totient is φ = 32558400.

The previous prime is 42248399. The next prime is 42248449. The reversal of 42248437 is 73484224.

It is not a de Polignac number, because 42248437 - 2¹¹ = 42246389 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55137 + ... + 55897.

It is an arithmetic number, because the mean of its divisors is an integer number (2258568).

Almost surely, 2^42248437 is an apocalyptic number.

It is an amenable number.

42248437 is a deficient number, since it is larger than the sum of its proper divisors (11957195).

42248437 is a wasteful number, since it uses less digits than its factorization.

42248437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 882 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 42248437 is about 6499.8797681188. The cubic root of 42248437 is about 348.2866934393.

The spelling of 42248437 in words is "forty-two million, two hundred forty-eight thousand, four hundred thirty-seven".