2202151555 has 4 divisors (see below), whose sum is σ = 2642581872. Its totient is φ = 1761721240.

The previous prime is 2202151541. The next prime is 2202151573. The reversal of 2202151555 is 5551512022.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2202151555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220215151 + ... + 220215160.

It is an arithmetic number, because the mean of its divisors is an integer number (660645468).

Almost surely, 2^2202151555 is an apocalyptic number.

2202151555 is a deficient number, since it is larger than the sum of its proper divisors (440430317).

2202151555 is an equidigital number, since it uses as much as digits as its factorization.

2202151555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440430316.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 2202151555 is about 46927.0876466887. The cubic root of 2202151555 is about 1301.0152926546.

Adding to 2202151555 its reverse (5551512022), we get a palindrome (7753663577).

It can be divided in two parts, 220 and 2151555, that added together give a triangular number (2151775 = T₂₀₇₄).

The spelling of 2202151555 in words is "two billion, two hundred two million, one hundred fifty-one thousand, five hundred fifty-five".