30485224 has 64 divisors (see below), whose sum is σ = 72028800. Its totient is φ = 11848320.

The previous prime is 30485209. The next prime is 30485249. The reversal of 30485224 is 42258403.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 30485192 and 30485201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74332 + ... + 74740.

It is an arithmetic number, because the mean of its divisors is an integer number (1125450).

Almost surely, 2^30485224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30485224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36014400).

30485224 is an abundant number, since it is smaller than the sum of its proper divisors (41543576).

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

30485224 is a wasteful number, since it uses less digits than its factorization.

30485224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 30485224 is about 5521.3425903488. The cubic root of 30485224 is about 312.3895255365.

The spelling of 30485224 in words is "thirty million, four hundred eighty-five thousand, two hundred twenty-four".