30211222002 has 64 divisors (see below), whose sum is σ = 69086836224. Its totient is φ = 8724971520.

The previous prime is 30211221977. The next prime is 30211222003. The reversal of 30211222002 is 20022211203.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30211222003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455602 + ... + 517682.

It is an arithmetic number, because the mean of its divisors is an integer number (1079481816).

Almost surely, 2^30211222002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30211222002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34543418112).

30211222002 is an abundant number, since it is smaller than the sum of its proper divisors (38875614222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211222002 is a wasteful number, since it uses less digits than its factorization.

30211222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62483.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30211222002 its reverse (20022211203), we get a palindrome (50233433205).

The spelling of 30211222002 in words is "thirty billion, two hundred eleven million, two hundred twenty-two thousand, two".