4002622155 has 64 divisors (see below), whose sum is σ = 8204497920. Its totient is φ = 1813529088.

The previous prime is 4002622139. The next prime is 4002622157. The reversal of 4002622155 is 5512262004.

4002622155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002622155 - 2⁴ = 4002622139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4002622157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88044 + ... + 125526.

It is an arithmetic number, because the mean of its divisors is an integer number (128195280).

Almost surely, 2^4002622155 is an apocalyptic number.

4002622155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4002622155 is an abundant number, since it is smaller than the sum of its proper divisors (4201875765).

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

4002622155 is a wasteful number, since it uses less digits than its factorization.

4002622155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37617 (or 37611 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4002622155 is about 63266.2797626034. The cubic root of 4002622155 is about 1587.7478438345.

Adding to 4002622155 its reverse (5512262004), we get a palindrome (9514884159).

The spelling of 4002622155 in words is "four billion, two million, six hundred twenty-two thousand, one hundred fifty-five".