30226836 has 12 divisors (see below), whose sum is σ = 70529312. Its totient is φ = 10075608.

The previous prime is 30226813. The next prime is 30226837. The reversal of 30226836 is 63862203.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30226836² = 1827323229141792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30226837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259440 + ... + 1259463.

Almost surely, 2^30226836 is an apocalyptic number.

It is an amenable number.

30226836 is an abundant number, since it is smaller than the sum of its proper divisors (40302476).

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

30226836 is a wasteful number, since it uses less digits than its factorization.

30226836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518910 (or 2518908 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 30226836 is about 5497.8937785301. The cubic root of 30226836 is about 311.5044318827.

The spelling of 30226836 in words is "thirty million, two hundred twenty-six thousand, eight hundred thirty-six".