30022280787781 has 2 divisors, whose sum is σ = 30022280787782. Its totient is φ = 30022280787780.

The previous prime is 30022280787743. The next prime is 30022280787787. The reversal of 30022280787781 is 18778708222003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29629885035556 + 392395752225 = 5443334^2 + 626415^2 .

It is a cyclic number.

It is not a de Polignac number, because 30022280787781 - 2¹⁵ = 30022280755013 is a prime.

It is a super-2 number, since 2×30022280787781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30022280787787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011140393890 + 15011140393891.

It is an arithmetic number, because the mean of its divisors is an integer number (15011140393891).

Almost surely, 2^{30022280787781} is an apocalyptic number.

It is an amenable number.

30022280787781 is a deficient number, since it is larger than the sum of its proper divisors (1).

30022280787781 is an equidigital number, since it uses as much as digits as its factorization.

30022280787781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 30022280787781 in words is "thirty trillion, twenty-two billion, two hundred eighty million, seven hundred eighty-seven thousand, seven hundred eighty-one".