21522202034 has 16 divisors (see below), whose sum is σ = 32468143680. Its totient is φ = 10699648080.

The previous prime is 21522202007. The next prime is 21522202043. The reversal of 21522202034 is 43020222512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230849 + ... + 310379.

It is an arithmetic number, because the mean of its divisors is an integer number (2029258980).

Almost surely, 2^21522202034 is an apocalyptic number.

21522202034 is a deficient number, since it is larger than the sum of its proper divisors (10945941646).

21522202034 is a wasteful number, since it uses less digits than its factorization.

21522202034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80305.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 21522202034 its reverse (43020222512), we get a palindrome (64542424546).

The spelling of 21522202034 in words is "twenty-one billion, five hundred twenty-two million, two hundred two thousand, thirty-four".