22154350202 has 8 divisors (see below), whose sum is σ = 33560550612. Its totient is φ = 10967500000.

The previous prime is 22154350193. The next prime is 22154350213. The reversal of 22154350202 is 20205345122.

It can be written as a sum of positive squares in 2 ways, for example, as 22129240081 + 25110121 = 148759^2 + 5011^2 .

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

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, 54837299 + ... + 54837702.

Almost surely, 2^22154350202 is an apocalyptic number.

22154350202 is a deficient number, since it is larger than the sum of its proper divisors (11406200410).

22154350202 is a wasteful number, since it uses less digits than its factorization.

22154350202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109675104.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22154350202 its reverse (20205345122), we get a palindrome (42359695324).

The spelling of 22154350202 in words is "twenty-two billion, one hundred fifty-four million, three hundred fifty thousand, two hundred two".