2225555531 has 4 divisors (see below), whose sum is σ = 2253727200. Its totient is φ = 2197383864.

The previous prime is 2225555467. The next prime is 2225555533. The reversal of 2225555531 is 1355555222.

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

It is a cyclic number.

It is not a de Polignac number, because 2225555531 - 2⁶ = 2225555467 is a prime.

It is a super-2 number, since 2×2225555531² = 9906194843129383922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2225555491 and 2225555500.

It is not an unprimeable number, because it can be changed into a prime (2225555533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14085716 + ... + 14085873.

It is an arithmetic number, because the mean of its divisors is an integer number (563431800).

Almost surely, 2^2225555531 is an apocalyptic number.

2225555531 is a deficient number, since it is larger than the sum of its proper divisors (28171669).

2225555531 is an equidigital number, since it uses as much as digits as its factorization.

2225555531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28171668.

The product of its digits is 75000, while the sum is 35.

The square root of 2225555531 is about 47175.7939095888. The cubic root of 2225555531 is about 1305.6080275607.

The spelling of 2225555531 in words is "two billion, two hundred twenty-five million, five hundred fifty-five thousand, five hundred thirty-one".