428472358778022 has 64 divisors (see below), whose sum is σ = 952989022191360. Its totient is φ = 127590265563264.

The previous prime is 428472358777987. The next prime is 428472358778059. The reversal of 428472358778022 is 220877853274824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 585642028 + ... + 586373199.

It is an arithmetic number, because the mean of its divisors is an integer number (14890453471740).

Almost surely, 2^{428472358778022} is an apocalyptic number.

428472358778022 is an abundant number, since it is smaller than the sum of its proper divisors (524516663413338).

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

428472358778022 is a wasteful number, since it uses less digits than its factorization.

428472358778022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172015397.

The product of its (nonzero) digits is 674365440, while the sum is 69.

The spelling of 428472358778022 in words is "four hundred twenty-eight trillion, four hundred seventy-two billion, three hundred fifty-eight million, seven hundred seventy-eight thousand, twenty-two".