2291029 has 16 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 1987776.

The previous prime is 2291017. The next prime is 2291033. The reversal of 2291029 is 9201922.

It is not a de Polignac number, because 2291029 - 2⁷ = 2290901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2290994 and 2291012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291629) 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, 22192 + ... + 22294.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2291029 is an apocalyptic number.

2291029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2291029 is a deficient number, since it is larger than the sum of its proper divisors (329771).

2291029 is a wasteful number, since it uses less digits than its factorization.

2291029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2291029 is about 1513.6145480273. The cubic root of 2291029 is about 131.8287686377.

It can be divided in two parts, 229 and 1029, that multiplied together give a triangular number (235641 = T₆₈₆).

The spelling of 2291029 in words is "two million, two hundred ninety-one thousand, twenty-nine".