42224650 has 72 divisors (see below), whose sum is σ = 89860320. Its totient is φ = 14713920.

The previous prime is 42224647. The next prime is 42224653. The reversal of 42224650 is 5642224.

It is an interprime number because it is at equal distance from previous prime (42224647) and next prime (42224653).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (42224653) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160419 + ... + 160681.

It is an arithmetic number, because the mean of its divisors is an integer number (1248060).

Almost surely, 2^42224650 is an apocalyptic number.

42224650 is an abundant number, since it is smaller than the sum of its proper divisors (47635670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42224650 is a wasteful number, since it uses less digits than its factorization.

42224650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42224650 is about 6498.0497074122. The cubic root of 42224650 is about 348.2213162602.

Adding to 42224650 its reverse (5642224), we get a palindrome (47866874).

The spelling of 42224650 in words is "forty-two million, two hundred twenty-four thousand, six hundred fifty".