4221555135 has 32 divisors (see below), whose sum is σ = 7787750400. Its totient is φ = 1912770048.

The previous prime is 4221555113. The next prime is 4221555167. The reversal of 4221555135 is 5315551224.

It is not a de Polignac number, because 4221555135 - 2⁵ = 4221555103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221555096 and 4221555105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166035 + ... + 189764.

It is an arithmetic number, because the mean of its divisors is an integer number (243367200).

Almost surely, 2^4221555135 is an apocalyptic number.

4221555135 is a deficient number, since it is larger than the sum of its proper divisors (3566195265).

4221555135 is a wasteful number, since it uses less digits than its factorization.

4221555135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355927.

The product of its digits is 30000, while the sum is 33.

The square root of 4221555135 is about 64973.4956347586. The cubic root of 4221555135 is about 1616.1840703340.

The spelling of 4221555135 in words is "four billion, two hundred twenty-one million, five hundred fifty-five thousand, one hundred thirty-five".