2228310405 has 60 divisors (see below), whose sum is σ = 4216028652. Its totient is φ = 1125809280.

The previous prime is 2228310397. The next prime is 2228310431. The reversal of 2228310405 is 5040138222.

2228310405 is a `hidden beast` number, since 2 + 228 + 31 + 0 + 405 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1301838561 + 926471844 = 36081^2 + 30438^2 .

It is not a de Polignac number, because 2228310405 - 2³ = 2228310397 is a prime.

It is a super-2 number, since 2×2228310405² = 9930734522062528050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 138585 + ... + 153825.

Almost surely, 2^2228310405 is an apocalyptic number.

It is an amenable number.

2228310405 is a deficient number, since it is larger than the sum of its proper divisors (1987718247).

2228310405 is a wasteful number, since it uses less digits than its factorization.

2228310405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296 (or 15268 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2228310405 is about 47204.9828407976. The cubic root of 2228310405 is about 1306.1465152178.

Adding to 2228310405 its reverse (5040138222), we get a palindrome (7268448627).

The spelling of 2228310405 in words is "two billion, two hundred twenty-eight million, three hundred ten thousand, four hundred five".