2227725 has 18 divisors (see below), whose sum is σ = 3990506. Its totient is φ = 1188000.

The previous prime is 2227723. The next prime is 2227727. The reversal of 2227725 is 5277222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2227723) and next prime (2227727).

It can be written as a sum of positive squares in 3 ways, for example, as 594441 + 1633284 = 771^2 + 1278^2 .

It is not a de Polignac number, because 2227725 - 2¹ = 2227723 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2² + 2¹² + 2¹³ + 7 + 7⁶ + 2²¹ + 5⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227723) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4726 + ... + 5175.

2^2227725 is an apocalyptic number.

2227725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2227725 is a deficient number, since it is larger than the sum of its proper divisors (1762781).

2227725 is a wasteful number, since it uses less digits than its factorization.

2227725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9917 (or 9909 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 2227725 is about 1492.5565315927. The cubic root of 2227725 is about 130.6032124861.

The spelling of 2227725 in words is "two million, two hundred twenty-seven thousand, seven hundred twenty-five".