2249278073 has 8 divisors (see below), whose sum is σ = 2570894400. Its totient is φ = 1927734480.

The previous prime is 2249278033. The next prime is 2249278079. The reversal of 2249278073 is 3708729422.

It is a happy number.

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

It is not a de Polignac number, because 2249278073 - 2¹² = 2249273977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249278079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95438 + ... + 116648.

It is an arithmetic number, because the mean of its divisors is an integer number (321361800).

Almost surely, 2^2249278073 is an apocalyptic number.

It is an amenable number.

2249278073 is a deficient number, since it is larger than the sum of its proper divisors (321616327).

2249278073 is a wasteful number, since it uses less digits than its factorization.

2249278073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36367.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 2249278073 is about 47426.5545132682. The cubic root of 2249278073 is about 1310.2305351518.

The spelling of 2249278073 in words is "two billion, two hundred forty-nine million, two hundred seventy-eight thousand, seventy-three".