2285690949 has 12 divisors (see below), whose sum is σ = 3312825516. Its totient is φ = 1518591552.

The previous prime is 2285690933. The next prime is 2285690993. The reversal of 2285690949 is 9490965822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2252166849 + 33524100 = 47457^2 + 5790^2 .

It is not a de Polignac number, because 2285690949 - 2⁴ = 2285690933 is a prime.

It is a super-2 number, since 2×2285690949² = 10448766228681041202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2285690895 and 2285690904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285690909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430752 + ... + 436025.

It is an arithmetic number, because the mean of its divisors is an integer number (276068793).

Almost surely, 2^2285690949 is an apocalyptic number.

It is an amenable number.

2285690949 is a deficient number, since it is larger than the sum of its proper divisors (1027134567).

2285690949 is a wasteful number, since it uses less digits than its factorization.

2285690949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867076 (or 867073 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 2285690949 is about 47808.9003115529. The cubic root of 2285690949 is about 1317.2630289833.

The spelling of 2285690949 in words is "two billion, two hundred eighty-five million, six hundred ninety thousand, nine hundred forty-nine".