30622207 has 12 divisors (see below), whose sum is σ = 38860776. Its totient is φ = 23861040.

The previous prime is 30622201. The next prime is 30622237. The reversal of 30622207 is 70222603.

It is not a de Polignac number, because 30622207 - 2¹¹ = 30620159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30622201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27868 + ... + 28945.

It is an arithmetic number, because the mean of its divisors is an integer number (3238398).

Almost surely, 2^30622207 is an apocalyptic number.

30622207 is a deficient number, since it is larger than the sum of its proper divisors (8238569).

30622207 is a wasteful number, since it uses less digits than its factorization.

30622207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56838 (or 56831 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30622207 is about 5533.7335497835. The cubic root of 30622207 is about 312.8567258610.

The spelling of 30622207 in words is "thirty million, six hundred twenty-two thousand, two hundred seven".