361022021 has 12 divisors (see below), whose sum is σ = 385876800. Its totient is φ = 337664808.

The previous prime is 361021981. The next prime is 361022033. The reversal of 361022021 is 120220163.

It is a de Polignac number, because none of the positive numbers 2^k-361022021 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 (361022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22190 + ... + 34848.

It is an arithmetic number, because the mean of its divisors is an integer number (32156400).

Almost surely, 2^361022021 is an apocalyptic number.

It is an amenable number.

361022021 is a deficient number, since it is larger than the sum of its proper divisors (24854779).

361022021 is a wasteful number, since it uses less digits than its factorization.

361022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 361022021 is about 19000.5794911629. The cubic root of 361022021 is about 712.0512136761.

Adding to 361022021 its reverse (120220163), we get a palindrome (481242184).

The spelling of 361022021 in words is "three hundred sixty-one million, twenty-two thousand, twenty-one".