30213122 has 16 divisors (see below), whose sum is σ = 47442240. Its totient is φ = 14403312.

The previous prime is 30213119. The next prime is 30213143. The reversal of 30213122 is 22131203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30213097 and 30213106.

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, 16568 + ... + 18300.

It is an arithmetic number, because the mean of its divisors is an integer number (2965140).

Almost surely, 2^30213122 is an apocalyptic number.

30213122 is a deficient number, since it is larger than the sum of its proper divisors (17229118).

30213122 is a wasteful number, since it uses less digits than its factorization.

30213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30213122 is about 5496.6464321439. The cubic root of 30213122 is about 311.4573146123.

Adding to 30213122 its reverse (22131203), we get a palindrome (52344325).

The spelling of 30213122 in words is "thirty million, two hundred thirteen thousand, one hundred twenty-two".