22400342 has 8 divisors (see below), whose sum is σ = 34061016. Its totient is φ = 11046672.

The previous prime is 22400333. The next prime is 22400369. The reversal of 22400342 is 24300422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22400342.

It is a congruent number.

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, 76568 + ... + 76859.

It is an arithmetic number, because the mean of its divisors is an integer number (4257627).

Almost surely, 2^22400342 is an apocalyptic number.

22400342 is a deficient number, since it is larger than the sum of its proper divisors (11660674).

22400342 is a wasteful number, since it uses less digits than its factorization.

22400342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153502.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22400342 is about 4732.8999566862. The cubic root of 22400342 is about 281.8933839040.

Adding to 22400342 its reverse (24300422), we get a palindrome (46700764).

The spelling of 22400342 in words is "twenty-two million, four hundred thousand, three hundred forty-two".