2291554 has 8 divisors (see below), whose sum is σ = 3462480. Its totient is φ = 1137396.

The previous prime is 2291539. The next prime is 2291557. The reversal of 2291554 is 4551922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2291557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3844 + ... + 4399.

It is an arithmetic number, because the mean of its divisors is an integer number (432810).

2^2291554 is an apocalyptic number.

2291554 is a deficient number, since it is larger than the sum of its proper divisors (1170926).

2291554 is a wasteful number, since it uses less digits than its factorization.

2291554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384.

The product of its digits is 3600, while the sum is 28.

The square root of 2291554 is about 1513.7879640161. The cubic root of 2291554 is about 131.8388375947.

The spelling of 2291554 in words is "two million, two hundred ninety-one thousand, five hundred fifty-four".