30211224 has 32 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 9855776.

The previous prime is 30211217. The next prime is 30211229. The reversal of 30211224 is 42211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12264 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^30211224 is an apocalyptic number.

It is an amenable number.

30211224 is an abundant number, since it is smaller than the sum of its proper divisors (46926696).

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

30211224 is a wasteful number, since it uses less digits than its factorization.

30211224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26839 (or 26835 counting only the distinct ones).

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

The square root of 30211224 is about 5496.4737787058. The cubic root of 30211224 is about 311.4507925195.

Adding to 30211224 its reverse (42211203), we get a palindrome (72422427).

The spelling of 30211224 in words is "thirty million, two hundred eleven thousand, two hundred twenty-four".