2269742 has 4 divisors (see below), whose sum is σ = 3404616. Its totient is φ = 1134870.

The previous prime is 2269739. The next prime is 2269763. The reversal of 2269742 is 2479622.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 2¹³ + 6⁶ + 9² + 7⁶ + 4 + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2269699 and 2269708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567434 + ... + 567437.

It is an arithmetic number, because the mean of its divisors is an integer number (851154).

2^2269742 is an apocalyptic number.

2269742 is a deficient number, since it is larger than the sum of its proper divisors (1134874).

2269742 is a wasteful number, since it uses less digits than its factorization.

2269742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134873.

The product of its digits is 12096, while the sum is 32.

The square root of 2269742 is about 1506.5662945918. The cubic root of 2269742 is about 131.4192036936.

The spelling of 2269742 in words is "two million, two hundred sixty-nine thousand, seven hundred forty-two".