22350042 has 96 divisors (see below), whose sum is σ = 60016320. Its totient is φ = 5909760.

The previous prime is 22350017. The next prime is 22350077. The reversal of 22350042 is 24005322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22349997 and 22350024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48678 + ... + 49134.

It is an arithmetic number, because the mean of its divisors is an integer number (625170).

Almost surely, 2^22350042 is an apocalyptic number.

22350042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22350042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30008160).

22350042 is an abundant number, since it is smaller than the sum of its proper divisors (37666278).

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

22350042 is a wasteful number, since it uses less digits than its factorization.

22350042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22350042 is about 4727.5831034473. The cubic root of 22350042 is about 281.6822284428.

Adding to 22350042 its reverse (24005322), we get a palindrome (46355364).

The spelling of 22350042 in words is "twenty-two million, three hundred fifty thousand, forty-two".