30544222 has 16 divisors (see below), whose sum is σ = 46827792. Its totient is φ = 14938560.

The previous prime is 30544211. The next prime is 30544231. The reversal of 30544222 is 22244503.

It is a junction number, because it is equal to n+sod(n) for n = 30544193 and 30544202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18328 + ... + 19924.

It is an arithmetic number, because the mean of its divisors is an integer number (2926737).

Almost surely, 2^30544222 is an apocalyptic number.

30544222 is a deficient number, since it is larger than the sum of its proper divisors (16283570).

30544222 is a wasteful number, since it uses less digits than its factorization.

30544222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 30544222 is about 5526.6827301737. The cubic root of 30544222 is about 312.5909179727.

Adding to 30544222 its reverse (22244503), we get a palindrome (52788725).

The spelling of 30544222 in words is "thirty million, five hundred forty-four thousand, two hundred twenty-two".