30022961 has 2 divisors, whose sum is σ = 30022962. Its totient is φ = 30022960.

The previous prime is 30022943. The next prime is 30022991. The reversal of 30022961 is 16922003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29767936 + 255025 = 5456^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022961 - 2⁶ = 30022897 is a prime.

It is not a weakly prime, because it can be changed into another prime (30022991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011480 + 15011481.

It is an arithmetic number, because the mean of its divisors is an integer number (15011481).

Almost surely, 2^30022961 is an apocalyptic number.

It is an amenable number.

30022961 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022961 is an equidigital number, since it uses as much as digits as its factorization.

30022961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 30022961 is about 5479.3212170852. The cubic root of 30022961 is about 310.8025027860.

Adding to 30022961 its reverse (16922003), we get a palindrome (46944964).

The spelling of 30022961 in words is "thirty million, twenty-two thousand, nine hundred sixty-one".