2272429878 has 16 divisors (see below), whose sum is σ = 4588985856. Its totient is φ = 750122280.

The previous prime is 2272429871. The next prime is 2272429897. The reversal of 2272429878 is 8789242722.

2272429878 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2272429878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272429871) 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, 1837918 + ... + 1839153.

It is an arithmetic number, because the mean of its divisors is an integer number (286811616).

Almost surely, 2^2272429878 is an apocalyptic number.

2272429878 is an abundant number, since it is smaller than the sum of its proper divisors (2316555978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2272429878 is a wasteful number, since it uses less digits than its factorization.

2272429878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677179.

The product of its digits is 1806336, while the sum is 51.

The square root of 2272429878 is about 47670.0102580228. The cubic root of 2272429878 is about 1314.7105972550.

The spelling of 2272429878 in words is "two billion, two hundred seventy-two million, four hundred twenty-nine thousand, eight hundred seventy-eight".