1457428722 has 16 divisors (see below), whose sum is σ = 2985952032. Its totient is φ = 473960480.

The previous prime is 1457428711. The next prime is 1457428723. The reversal of 1457428722 is 2278247541.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1457428723) 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, 2962008 + ... + 2962499.

It is an arithmetic number, because the mean of its divisors is an integer number (186622002).

Almost surely, 2^1457428722 is an apocalyptic number.

1457428722 is an abundant number, since it is smaller than the sum of its proper divisors (1528523310).

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

1457428722 is a wasteful number, since it uses less digits than its factorization.

1457428722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924553.

The product of its digits is 250880, while the sum is 42.

The square root of 1457428722 is about 38176.2848113852. The cubic root of 1457428722 is about 1133.7808257274.

The spelling of 1457428722 in words is "one billion, four hundred fifty-seven million, four hundred twenty-eight thousand, seven hundred twenty-two".