422032545 has 64 divisors (see below), whose sum is σ = 840718080. Its totient is φ = 199065600.

The previous prime is 422032529. The next prime is 422032577. The reversal of 422032545 is 545230224.

It is a happy number.

It is not a de Polignac number, because 422032545 - 2⁴ = 422032529 is a prime.

It is a super-2 number, since 2×422032545² = 356222938078354050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51105 + ... + 58785.

It is an arithmetic number, because the mean of its divisors is an integer number (13136220).

Almost surely, 2^422032545 is an apocalyptic number.

422032545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

422032545 is a deficient number, since it is larger than the sum of its proper divisors (418685535).

422032545 is a wasteful number, since it uses less digits than its factorization.

422032545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7737 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 422032545 is about 20543.4307018083. The cubic root of 422032545 is about 750.0933483810.

Adding to 422032545 its reverse (545230224), we get a palindrome (967262769).

The spelling of 422032545 in words is "four hundred twenty-two million, thirty-two thousand, five hundred forty-five".