2229929138 has 16 divisors (see below), whose sum is σ = 3467143680. Its totient is φ = 1074513600.

The previous prime is 2229929137. The next prime is 2229929153. The reversal of 2229929138 is 8319299222.

It is a junction number, because it is equal to n+sod(n) for n = 2229929092 and 2229929101.

It is not an unprimeable number, because it can be changed into a prime (2229929137) 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, 59678 + ... + 89561.

It is an arithmetic number, because the mean of its divisors is an integer number (216696480).

Almost surely, 2^2229929138 is an apocalyptic number.

2229929138 is a deficient number, since it is larger than the sum of its proper divisors (1237214542).

2229929138 is a wasteful number, since it uses less digits than its factorization.

2229929138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149513.

The product of its digits is 279936, while the sum is 47.

The square root of 2229929138 is about 47222.1255133650. The cubic root of 2229929138 is about 1306.4627175294.

The spelling of 2229929138 in words is "two billion, two hundred twenty-nine million, nine hundred twenty-nine thousand, one hundred thirty-eight".