22002442140455 has 64 divisors (see below), whose sum is σ = 32050511136000. Its totient is φ = 14179004743680.

The previous prime is 22002442140389. The next prime is 22002442140461. The reversal of 22002442140455 is 55404124420022.

It is not a de Polignac number, because 22002442140455 - 2¹² = 22002442136359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17408771 + ... + 18629819.

It is an arithmetic number, because the mean of its divisors is an integer number (500789236500).

Almost surely, 2^{22002442140455} is an apocalyptic number.

22002442140455 is a deficient number, since it is larger than the sum of its proper divisors (10048068995545).

22002442140455 is a wasteful number, since it uses less digits than its factorization.

22002442140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221564.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 22002442140455 its reverse (55404124420022), we get a palindrome (77406566560477).

The spelling of 22002442140455 in words is "twenty-two trillion, two billion, four hundred forty-two million, one hundred forty thousand, four hundred fifty-five".