22221102023154 has 12 divisors (see below), whose sum is σ = 48145721050206. Its totient is φ = 7407034007712.

The previous prime is 22221102023149. The next prime is 22221102023171. The reversal of 22221102023154 is 45132020112222.

22221102023154 is a `hidden beast` number, since 22 + 221 + 102 + 0 + 2 + 315 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11780868634929 + 10440233388225 = 3432327^2 + 3231135^2 .

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 617252833959 + ... + 617252833994.

Almost surely, 2^{22221102023154} is an apocalyptic number.

22221102023154 is an abundant number, since it is smaller than the sum of its proper divisors (25924619027052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22221102023154 is a wasteful number, since it uses less digits than its factorization.

22221102023154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234505667961 (or 1234505667958 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 22221102023154 its reverse (45132020112222), we get a palindrome (67353122135376).

The spelling of 22221102023154 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, twenty-three thousand, one hundred fifty-four".