30140422 has 64 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 11943936.

The previous prime is 30140413. The next prime is 30140431. The reversal of 30140422 is 22404103.

It is an interprime number because it is at equal distance from previous prime (30140413) and next prime (30140431).

It is a junction number, because it is equal to n+sod(n) for n = 30140396 and 30140405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310678 + ... + 310774.

It is an arithmetic number, because the mean of its divisors is an integer number (879795).

Almost surely, 2^30140422 is an apocalyptic number.

30140422 is a deficient number, since it is larger than the sum of its proper divisors (26166458).

30140422 is a wasteful number, since it uses less digits than its factorization.

30140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30140422 is about 5490.0293259690. The cubic root of 30140422 is about 311.2073003687.

Adding to 30140422 its reverse (22404103), we get a palindrome (52544525).

The spelling of 30140422 in words is "thirty million, one hundred forty thousand, four hundred twenty-two".