2246137309 has 4 divisors (see below), whose sum is σ = 2418917116. Its totient is φ = 2073357504.

The previous prime is 2246137301. The next prime is 2246137339. The reversal of 2246137309 is 9037316422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9037316422 = 2 ⋅4518658211.

It can be written as a sum of positive squares in 2 ways, for example, as 486334809 + 1759802500 = 22053^2 + 41950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246137309 - 2³ = 2246137301 is a prime.

It is a super-2 number, since 2×2246137309² = 10090265621763522962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246137301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86389884 + ... + 86389909.

It is an arithmetic number, because the mean of its divisors is an integer number (604729279).

Almost surely, 2^2246137309 is an apocalyptic number.

It is an amenable number.

2246137309 is a deficient number, since it is larger than the sum of its proper divisors (172779807).

2246137309 is a wasteful number, since it uses less digits than its factorization.

2246137309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172779806.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 2246137309 is about 47393.4310743588. The cubic root of 2246137309 is about 1309.6204072759.

The spelling of 2246137309 in words is "two billion, two hundred forty-six million, one hundred thirty-seven thousand, three hundred nine".