2221154663032 has 8 divisors (see below), whose sum is σ = 4164664993200. Its totient is φ = 1110577331512.

The previous prime is 2221154663029. The next prime is 2221154663041. The reversal of 2221154663032 is 2303664511222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2221154662982 and 2221154663000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138822166432 + ... + 138822166447.

It is an arithmetic number, because the mean of its divisors is an integer number (520583124150).

Almost surely, 2^{2221154663032} is an apocalyptic number.

It is an amenable number.

2221154663032 is a deficient number, since it is larger than the sum of its proper divisors (1943510330168).

2221154663032 is a wasteful number, since it uses less digits than its factorization.

2221154663032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277644332885 (or 277644332881 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 2221154663032 in words is "two trillion, two hundred twenty-one billion, one hundred fifty-four million, six hundred sixty-three thousand, thirty-two".