30302226 has 48 divisors (see below), whose sum is σ = 69582240. Its totient is φ = 9504000.

The previous prime is 30302219. The next prime is 30302249. The reversal of 30302226 is 62220303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30302199 and 30302208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85666 + ... + 86018.

It is an arithmetic number, because the mean of its divisors is an integer number (1449630).

Almost surely, 2^30302226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30302226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34791120).

30302226 is an abundant number, since it is smaller than the sum of its proper divisors (39280014).

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

30302226 is a wasteful number, since it uses less digits than its factorization.

30302226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30302226 is about 5504.7457706964. The cubic root of 30302226 is about 311.7631955602.

Adding to 30302226 its reverse (62220303), we get a palindrome (92522529).

The spelling of 30302226 in words is "thirty million, three hundred two thousand, two hundred twenty-six".