30223222551 has 16 divisors (see below), whose sum is σ = 44810258400. Its totient is φ = 20133013824.

The previous prime is 30223222517. The next prime is 30223222559. The reversal of 30223222551 is 15522232203.

It is not a de Polignac number, because 30223222551 - 2⁹ = 30223222039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223222559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403806 + ... + 472763.

It is an arithmetic number, because the mean of its divisors is an integer number (2800641150).

Almost surely, 2^30223222551 is an apocalyptic number.

30223222551 is a deficient number, since it is larger than the sum of its proper divisors (14587035849).

30223222551 is a wasteful number, since it uses less digits than its factorization.

30223222551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877855 (or 877849 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 30223222551 its reverse (15522232203), we get a palindrome (45745454754).

The spelling of 30223222551 in words is "thirty billion, two hundred twenty-three million, two hundred twenty-two thousand, five hundred fifty-one".