2947225 has 6 divisors (see below), whose sum is σ = 3654590. Its totient is φ = 2357760.

The previous prime is 2947213. The next prime is 2947249. The reversal of 2947225 is 5227492.

It can be written as a sum of positive squares in 3 ways, for example, as 53824 + 2893401 = 232^2 + 1701^2 .

It is not a de Polignac number, because 2947225 - 2⁷ = 2947097 is a prime.

It is a super-2 number, since 2×2947225² = 17372270401250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58920 + ... + 58969.

2^2947225 is an apocalyptic number.

2947225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2947225 is a deficient number, since it is larger than the sum of its proper divisors (707365).

2947225 is a wasteful number, since it uses less digits than its factorization.

2947225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117899 (or 117894 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 2947225 is about 1716.7483799322. The cubic root of 2947225 is about 143.3742296619.

The spelling of 2947225 in words is "two million, nine hundred forty-seven thousand, two hundred twenty-five".