2263611021 has 8 divisors (see below), whose sum is σ = 3449312064. Its totient is φ = 1293492000.

The previous prime is 2263610989. The next prime is 2263611023. The reversal of 2263611021 is 1201163622.

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

It is not a de Polignac number, because 2263611021 - 2⁵ = 2263610989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2263610982 and 2263611000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263611023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53895480 + ... + 53895521.

It is an arithmetic number, because the mean of its divisors is an integer number (431164008).

Almost surely, 2^2263611021 is an apocalyptic number.

2263611021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2263611021 is a deficient number, since it is larger than the sum of its proper divisors (1185701043).

2263611021 is a wasteful number, since it uses less digits than its factorization.

2263611021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107791011.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2263611021 is about 47577.4213361758. The cubic root of 2263611021 is about 1313.0076806810.

Adding to 2263611021 its reverse (1201163622), we get a palindrome (3464774643).

The spelling of 2263611021 in words is "two billion, two hundred sixty-three million, six hundred eleven thousand, twenty-one".