3551022638 has 8 divisors (see below), whose sum is σ = 5327011440. Its totient is φ = 1775352160.

The previous prime is 3551022623. The next prime is 3551022641. The reversal of 3551022638 is 8362201553.

3551022638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3551022598 and 3551022607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49403 + ... + 97686.

It is an arithmetic number, because the mean of its divisors is an integer number (665876430).

Almost surely, 2^3551022638 is an apocalyptic number.

3551022638 is a deficient number, since it is larger than the sum of its proper divisors (1775988802).

3551022638 is a wasteful number, since it uses less digits than its factorization.

3551022638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159162.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 3551022638 is about 59590.4576085803. The cubic root of 3551022638 is about 1525.6367689968.

The spelling of 3551022638 in words is "three billion, five hundred fifty-one million, twenty-two thousand, six hundred thirty-eight".