42248522 has 8 divisors (see below), whose sum is σ = 63965376. Its totient is φ = 20926732.

The previous prime is 42248513. The next prime is 42248551. The reversal of 42248522 is 22584224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42248522² = 3569875222368968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98498 + ... + 98925.

It is an arithmetic number, because the mean of its divisors is an integer number (7995672).

Almost surely, 2^42248522 is an apocalyptic number.

42248522 is a deficient number, since it is larger than the sum of its proper divisors (21716854).

42248522 is a wasteful number, since it uses less digits than its factorization.

42248522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197532.

The product of its digits is 10240, while the sum is 29.

The square root of 42248522 is about 6499.8863066980. The cubic root of 42248522 is about 348.2869270128.

The spelling of 42248522 in words is "forty-two million, two hundred forty-eight thousand, five hundred twenty-two".