42248190 has 32 divisors (see below), whose sum is σ = 102913920. Its totient is φ = 11097504.

The previous prime is 42248183. The next prime is 42248203. The reversal of 42248190 is 9184224.

It is a super-2 number, since 2×42248190² = 3569819116552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8500 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (3216060).

Almost surely, 2^42248190 is an apocalyptic number.

42248190 is an abundant number, since it is smaller than the sum of its proper divisors (60665730).

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

42248190 is a wasteful number, since it uses less digits than its factorization.

42248190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21096.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 42248190 is about 6499.8607677396. The cubic root of 42248190 is about 348.2860147003.

The spelling of 42248190 in words is "forty-two million, two hundred forty-eight thousand, one hundred ninety".