2266042644 has 36 divisors (see below), whose sum is σ = 5813551744. Its totient is φ = 744072912.

The previous prime is 2266042643. The next prime is 2266042663. The reversal of 2266042644 is 4462406622.

2266042644 is a `hidden beast` number, since 2 + 2 + 6 + 6 + 0 + 4 + 2 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2266042599 and 2266042608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266042643) 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, 467332 + ... + 472155.

Almost surely, 2^2266042644 is an apocalyptic number.

It is an amenable number.

2266042644 is an abundant number, since it is smaller than the sum of its proper divisors (3547509100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266042644 is a wasteful number, since it uses less digits than its factorization.

2266042644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939564 (or 939559 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 2266042644 is about 47602.9688569946. The cubic root of 2266042644 is about 1313.4776667769.

The spelling of 2266042644 in words is "two billion, two hundred sixty-six million, forty-two thousand, six hundred forty-four".