422100040 has 32 divisors (see below), whose sum is σ = 971815680. Its totient is φ = 164912832.

The previous prime is 422100037. The next prime is 422100047. The reversal of 422100040 is 40001224.

It is not an unprimeable number, because it can be changed into a prime (422100047) 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, 120984 + ... + 124423.

It is an arithmetic number, because the mean of its divisors is an integer number (30369240).

Almost surely, 2^422100040 is an apocalyptic number.

422100040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422100040 is an abundant number, since it is smaller than the sum of its proper divisors (549715640).

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

422100040 is a wasteful number, since it uses less digits than its factorization.

422100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245461 (or 245457 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 422100040 is about 20545.0733753861. The cubic root of 422100040 is about 750.1333333319.

Adding to 422100040 its reverse (40001224), we get a palindrome (462101264).

The spelling of 422100040 in words is "four hundred twenty-two million, one hundred thousand, forty".