42322254 has 64 divisors (see below), whose sum is σ = 98316288. Its totient is φ = 12038400.

The previous prime is 42322243. The next prime is 42322271. The reversal of 42322254 is 45222324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55234 + ... + 55994.

It is an arithmetic number, because the mean of its divisors is an integer number (1536192).

Almost surely, 2^42322254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42322254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49158144).

42322254 is an abundant number, since it is smaller than the sum of its proper divisors (55994034).

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

42322254 is a wasteful number, since it uses less digits than its factorization.

42322254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its digits is 3840, while the sum is 24.

The square root of 42322254 is about 6505.5556257709. Note that the first 3 decimals coincide. The cubic root of 42322254 is about 348.4894190459.

Adding to 42322254 its reverse (45222324), we get a palindrome (87544578).

The spelling of 42322254 in words is "forty-two million, three hundred twenty-two thousand, two hundred fifty-four".