1426220872 has 16 divisors (see below), whose sum is σ = 2706384240. Its totient is φ = 704518416.

The previous prime is 1426220867. The next prime is 1426220897. The reversal of 1426220872 is 2780226241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073298 + ... + 1074625.

It is an arithmetic number, because the mean of its divisors is an integer number (169149015).

Almost surely, 2^1426220872 is an apocalyptic number.

It is an amenable number.

1426220872 is a deficient number, since it is larger than the sum of its proper divisors (1280163368).

1426220872 is a wasteful number, since it uses less digits than its factorization.

1426220872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148012 (or 2148008 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 1426220872 is about 37765.3395589130. The cubic root of 1426220872 is about 1125.6298358283.

The spelling of 1426220872 in words is "one billion, four hundred twenty-six million, two hundred twenty thousand, eight hundred seventy-two".