30407022 has 32 divisors (see below), whose sum is σ = 69904800. Its totient is φ = 9785664.

The previous prime is 30407017. The next prime is 30407023. The reversal of 30407022 is 22070403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30406986 and 30407004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30407023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8143 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (2184525).

Almost surely, 2^30407022 is an apocalyptic number.

30407022 is an abundant number, since it is smaller than the sum of its proper divisors (39497778).

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

30407022 is a wasteful number, since it uses less digits than its factorization.

30407022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19457 (or 19451 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30407022 is about 5514.2562508465. The cubic root of 30407022 is about 312.1221784803.

Adding to 30407022 its reverse (22070403), we get a palindrome (52477425).

The spelling of 30407022 in words is "thirty million, four hundred seven thousand, twenty-two".