2945226987 has 10 divisors (see below), whose sum is σ = 4399660188. Its totient is φ = 1963484604.

The previous prime is 2945226983. The next prime is 2945226989. The reversal of 2945226987 is 7896225492.

2945226987 is a `hidden beast` number, since 29 + 4 + 522 + 6 + 98 + 7 = 666.

It is not a de Polignac number, because 2945226987 - 2² = 2945226983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2945226983) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18180333 + ... + 18180494.

Almost surely, 2^2945226987 is an apocalyptic number.

2945226987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2945226987 is a deficient number, since it is larger than the sum of its proper divisors (1454433201).

2945226987 is an equidigital number, since it uses as much as digits as its factorization.

2945226987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36360839 (or 36360830 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 2945226987 is about 54269.9455223607. The cubic root of 2945226987 is about 1433.4182309487.

The spelling of 2945226987 in words is "two billion, nine hundred forty-five million, two hundred twenty-six thousand, nine hundred eighty-seven".