22355201242 has 32 divisors (see below), whose sum is σ = 37070841024. Its totient is φ = 10025779200.

The previous prime is 22355201227. The next prime is 22355201287. The reversal of 22355201242 is 24210255322.

It is a self number, because there is not a number n which added to its sum of digits gives 22355201242.

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, 1447642 + ... + 1463002.

It is an arithmetic number, because the mean of its divisors is an integer number (1158463782).

Almost surely, 2^22355201242 is an apocalyptic number.

22355201242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22355201242 is a deficient number, since it is larger than the sum of its proper divisors (14715639782).

22355201242 is a wasteful number, since it uses less digits than its factorization.

22355201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16254.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22355201242 its reverse (24210255322), we get a palindrome (46565456564).

The spelling of 22355201242 in words is "twenty-two billion, three hundred fifty-five million, two hundred one thousand, two hundred forty-two".