22012006520654 has 4 divisors (see below), whose sum is σ = 33018009780984. Its totient is φ = 11006003260326.

The previous prime is 22012006520629. The next prime is 22012006520657. The reversal of 22012006520654 is 45602560021022.

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 (22012006520657) 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, 5503001630162 + ... + 5503001630165.

It is an arithmetic number, because the mean of its divisors is an integer number (8254502445246).

Almost surely, 2^{22012006520654} is an apocalyptic number.

22012006520654 is a deficient number, since it is larger than the sum of its proper divisors (11006003260330).

22012006520654 is a wasteful number, since it uses less digits than its factorization.

22012006520654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006003260329.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 22012006520654 its reverse (45602560021022), we get a palindrome (67614566541676).

The spelling of 22012006520654 in words is "twenty-two trillion, twelve billion, six million, five hundred twenty thousand, six hundred fifty-four".