538422445 has 16 divisors (see below), whose sum is σ = 710233920. Its totient is φ = 388585600.

The previous prime is 538422421. The next prime is 538422449. The reversal of 538422445 is 544224835.

It is a de Polignac number, because none of the positive numbers 2^k-538422445 is a prime.

It is a super-3 number, since 3×538422445³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538422449) 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, 30160 + ... + 44569.

It is an arithmetic number, because the mean of its divisors is an integer number (44389620).

Almost surely, 2^538422445 is an apocalyptic number.

538422445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

538422445 is a deficient number, since it is larger than the sum of its proper divisors (171811475).

538422445 is a wasteful number, since it uses less digits than its factorization.

538422445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74876.

The product of its digits is 153600, while the sum is 37.

The square root of 538422445 is about 23203.9316711630. The cubic root of 538422445 is about 813.5315220502.

The spelling of 538422445 in words is "five hundred thirty-eight million, four hundred twenty-two thousand, four hundred forty-five".