322126457428 has 6 divisors (see below), whose sum is σ = 563721300506. Its totient is φ = 161063228712.

The previous prime is 322126457423. The next prime is 322126457441. The reversal of 322126457428 is 824754621223.

It can be written as a sum of positive squares in only one way, i.e., 311254641604 + 10871815824 = 557902^2 + 104268^2 .

It is a super-2 number, since 2×322126457428² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322126457423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40265807175 + ... + 40265807182.

Almost surely, 2^322126457428 is an apocalyptic number.

It is an amenable number.

322126457428 is a deficient number, since it is larger than the sum of its proper divisors (241594843078).

322126457428 is a wasteful number, since it uses less digits than its factorization.

322126457428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80531614361 (or 80531614359 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 46.

The spelling of 322126457428 in words is "three hundred twenty-two billion, one hundred twenty-six million, four hundred fifty-seven thousand, four hundred twenty-eight".