248622909 has 8 divisors (see below), whose sum is σ = 350997120. Its totient is φ = 155998656.

The previous prime is 248622877. The next prime is 248622911. The reversal of 248622909 is 909226842.

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

It is not a de Polignac number, because 248622909 - 2⁵ = 248622877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248622919) 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, 2437429 + ... + 2437530.

It is an arithmetic number, because the mean of its divisors is an integer number (43874640).

Almost surely, 2^248622909 is an apocalyptic number.

It is an amenable number.

248622909 is a deficient number, since it is larger than the sum of its proper divisors (102374211).

248622909 is a wasteful number, since it uses less digits than its factorization.

248622909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874979.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 248622909 is about 15767.7807252638. The cubic root of 248622909 is about 628.8017106531.

The spelling of 248622909 in words is "two hundred forty-eight million, six hundred twenty-two thousand, nine hundred nine".