1294422804 has 36 divisors (see below), whose sum is σ = 3444226240. Its totient is φ = 408764880.

The previous prime is 1294422803. The next prime is 1294422841. The reversal of 1294422804 is 4082244921.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294422803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945532 + ... + 946899.

Almost surely, 2^1294422804 is an apocalyptic number.

It is an amenable number.

1294422804 is an abundant number, since it is smaller than the sum of its proper divisors (2149803436).

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

1294422804 is a wasteful number, since it uses less digits than its factorization.

1294422804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892460 (or 1892455 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1294422804 is about 35978.0878313453. The cubic root of 1294422804 is about 1089.8298991077.

The spelling of 1294422804 in words is "one billion, two hundred ninety-four million, four hundred twenty-two thousand, eight hundred four".