30101022 has 24 divisors (see below), whose sum is σ = 74536176. Its totient is φ = 8600256.

The previous prime is 30101021. The next prime is 30101041. The reversal of 30101022 is 22010103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30100995 and 30101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30101021) 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, 119323 + ... + 119574.

It is an arithmetic number, because the mean of its divisors is an integer number (3105674).

Almost surely, 2^30101022 is an apocalyptic number.

30101022 is an abundant number, since it is smaller than the sum of its proper divisors (44435154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30101022 is a wasteful number, since it uses less digits than its factorization.

30101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238912 (or 238909 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30101022 is about 5486.4398292518. The cubic root of 30101022 is about 311.0716363275.

Adding to 30101022 its reverse (22010103), we get a palindrome (52111125).

The spelling of 30101022 in words is "thirty million, one hundred one thousand, twenty-two".