30220064 has 36 divisors (see below), whose sum is σ = 69212934. Its totient is φ = 12950784.

The previous prime is 30220061. The next prime is 30220079. The reversal of 30220064 is 46002203.

It can be written as a sum of positive squares in only one way, i.e., 24010000 + 6210064 = 4900^2 + 2492^2 .

It is not an unprimeable number, because it can be changed into a prime (30220061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8069 + ... + 11204.

Almost surely, 2^30220064 is an apocalyptic number.

It is an amenable number.

30220064 is an abundant number, since it is smaller than the sum of its proper divisors (38992870).

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

30220064 is a wasteful number, since it uses less digits than its factorization.

30220064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297 (or 19282 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30220064 is about 5497.2778718198. The cubic root of 30220064 is about 311.4811670641.

Adding to 30220064 its reverse (46002203), we get a palindrome (76222267).

The spelling of 30220064 in words is "thirty million, two hundred twenty thousand, sixty-four".