1428809415622 has 32 divisors (see below), whose sum is σ = 2201571590400. Its totient is φ = 695243422368.

The previous prime is 1428809415563. The next prime is 1428809415623. The reversal of 1428809415622 is 2265149088241.

It is a super-2 number, since 2×1428809415622² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1428809415622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428809415623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5659504 + ... + 5906572.

It is an arithmetic number, because the mean of its divisors is an integer number (68799112200).

Almost surely, 2^{1428809415622} is an apocalyptic number.

1428809415622 is a deficient number, since it is larger than the sum of its proper divisors (772762174778).

1428809415622 is a wasteful number, since it uses less digits than its factorization.

1428809415622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247660.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 1428809415622 in words is "one trillion, four hundred twenty-eight billion, eight hundred nine million, four hundred fifteen thousand, six hundred twenty-two".