22021010302 has 4 divisors (see below), whose sum is σ = 33031515456. Its totient is φ = 11010505150.

The previous prime is 22021010287. The next prime is 22021010303. The reversal of 22021010302 is 20301012022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021010303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505252574 + ... + 5505252577.

It is an arithmetic number, because the mean of its divisors is an integer number (8257878864).

Almost surely, 2^22021010302 is an apocalyptic number.

22021010302 is a deficient number, since it is larger than the sum of its proper divisors (11010505154).

22021010302 is a wasteful number, since it uses less digits than its factorization.

22021010302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010505153.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22021010302 its reverse (20301012022), we get a palindrome (42322022324).

The spelling of 22021010302 in words is "twenty-two billion, twenty-one million, ten thousand, three hundred two".