22311020242 has 8 divisors (see below), whose sum is σ = 38247463296. Its totient is φ = 9561865812.

The previous prime is 22311020233. The next prime is 22311020279. The reversal of 22311020242 is 24202011322.

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

It is a super-3 number, since 3×22311020242³ (a number of 32 digits) contains 333 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, 796822138 + ... + 796822165.

It is an arithmetic number, because the mean of its divisors is an integer number (4780932912).

Almost surely, 2^22311020242 is an apocalyptic number.

22311020242 is a deficient number, since it is larger than the sum of its proper divisors (15936443054).

22311020242 is a wasteful number, since it uses less digits than its factorization.

22311020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593644312.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22311020242 its reverse (24202011322), we get a palindrome (46513031564).

The spelling of 22311020242 in words is "twenty-two billion, three hundred eleven million, twenty thousand, two hundred forty-two".