2257969 has 16 divisors (see below), whose sum is σ = 2736000. Its totient is φ = 1860432.

The previous prime is 2257961. The next prime is 2257987. The reversal of 2257969 is 9697522.

It is a happy number.

It is not a de Polignac number, because 2257969 - 2³ = 2257961 is a prime.

It is a super-2 number, since 2×2257969² = 10196848009922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9834 + ... + 10060.

It is an arithmetic number, because the mean of its divisors is an integer number (171000).

2^2257969 is an apocalyptic number.

2257969 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2257969 is a deficient number, since it is larger than the sum of its proper divisors (478031).

2257969 is an equidigital number, since it uses as much as digits as its factorization.

2257969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 263 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 2257969 is about 1502.6539854537. The cubic root of 2257969 is about 131.1915888235.

The spelling of 2257969 in words is "two million, two hundred fifty-seven thousand, nine hundred sixty-nine".