15550204022 has 8 divisors (see below), whose sum is σ = 23366157672. Its totient is φ = 7761484800.

The previous prime is 15550204001. The next prime is 15550204049. The reversal of 15550204022 is 22040205551.

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

It is a junction number, because it is equal to n+sod(n) for n = 15550203982 and 15550204000.

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, 6807179 + ... + 6809462.

It is an arithmetic number, because the mean of its divisors is an integer number (2920769709).

Almost surely, 2^15550204022 is an apocalyptic number.

15550204022 is a deficient number, since it is larger than the sum of its proper divisors (7815953650).

15550204022 is a wasteful number, since it uses less digits than its factorization.

15550204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617214.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 15550204022 its reverse (22040205551), we get a palindrome (37590409573).

The spelling of 15550204022 in words is "fifteen billion, five hundred fifty million, two hundred four thousand, twenty-two".