14778630229 has 4 divisors (see below), whose sum is σ = 16122142080. Its totient is φ = 13435118380.

The previous prime is 14778630221. The next prime is 14778630239. The reversal of 14778630229 is 92203687741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14778630229 - 2³ = 14778630221 is a prime.

It is a super-2 number, since 2×14778630229² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14778630221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671755909 + ... + 671755930.

It is an arithmetic number, because the mean of its divisors is an integer number (4030535520).

Almost surely, 2^14778630229 is an apocalyptic number.

It is an amenable number.

14778630229 is a deficient number, since it is larger than the sum of its proper divisors (1343511851).

14778630229 is a wasteful number, since it uses less digits than its factorization.

14778630229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343511850.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 14778630229 in words is "fourteen billion, seven hundred seventy-eight million, six hundred thirty thousand, two hundred twenty-nine".