2155062266 has 32 divisors (see below), whose sum is σ = 3723511680. Its totient is φ = 916344000.

The previous prime is 2155062241. The next prime is 2155062293. The reversal of 2155062266 is 6622605512.

2155062266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1655816 + ... + 1657116.

It is an arithmetic number, because the mean of its divisors is an integer number (116359740).

Almost surely, 2^2155062266 is an apocalyptic number.

2155062266 is a deficient number, since it is larger than the sum of its proper divisors (1568449414).

2155062266 is a wasteful number, since it uses less digits than its factorization.

2155062266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150.

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

The square root of 2155062266 is about 46422.6482010667. The cubic root of 2155062266 is about 1291.6750601429.

Adding to 2155062266 its reverse (6622605512), we get a palindrome (8777667778).

The spelling of 2155062266 in words is "two billion, one hundred fifty-five million, sixty-two thousand, two hundred sixty-six".