22154053442636 has 24 divisors (see below), whose sum is σ = 38783011284864. Its totient is φ = 11073193562880.

The previous prime is 22154053442627. The next prime is 22154053442671. The reversal of 22154053442636 is 63624435045122.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 213166661 + ... + 213270563.

It is an arithmetic number, because the mean of its divisors is an integer number (1615958803536).

Almost surely, 2^{22154053442636} is an apocalyptic number.

It is an amenable number.

22154053442636 is a deficient number, since it is larger than the sum of its proper divisors (16628957842228).

22154053442636 is a wasteful number, since it uses less digits than its factorization.

22154053442636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121841 (or 121839 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 47.

Adding to 22154053442636 its reverse (63624435045122), we get a palindrome (85778488487758).

The spelling of 22154053442636 in words is "twenty-two trillion, one hundred fifty-four billion, fifty-three million, four hundred forty-two thousand, six hundred thirty-six".