30940022 has 8 divisors (see below), whose sum is σ = 47285856. Its totient is φ = 15178072.

The previous prime is 30940003. The next prime is 30940043. The reversal of 30940022 is 22004903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30940022² = 1914569922720968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30939976 and 30940003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145838 + ... + 146049.

It is an arithmetic number, because the mean of its divisors is an integer number (5910732).

Almost surely, 2^30940022 is an apocalyptic number.

30940022 is a deficient number, since it is larger than the sum of its proper divisors (16345834).

30940022 is a wasteful number, since it uses less digits than its factorization.

30940022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291942.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30940022 is about 5562.3755716420. The cubic root of 30940022 is about 313.9353390324.

Adding to 30940022 its reverse (22004903), we get a palindrome (52944925).

The spelling of 30940022 in words is "thirty million, nine hundred forty thousand, twenty-two".