422501012 has 6 divisors (see below), whose sum is σ = 739376778. Its totient is φ = 211250504.

The previous prime is 422500999. The next prime is 422501047. The reversal of 422501012 is 210105224.

It can be written as a sum of positive squares in only one way, i.e., 373416976 + 49084036 = 19324^2 + 7006^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52812623 + ... + 52812630.

It is an arithmetic number, because the mean of its divisors is an integer number (123229463).

Almost surely, 2^422501012 is an apocalyptic number.

It is an amenable number.

422501012 is a deficient number, since it is larger than the sum of its proper divisors (316875766).

422501012 is a wasteful number, since it uses less digits than its factorization.

422501012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105625257 (or 105625255 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 422501012 is about 20554.8294081950. The cubic root of 422501012 is about 750.3707867335.

Adding to 422501012 its reverse (210105224), we get a palindrome (632606236).

The spelling of 422501012 in words is "four hundred twenty-two million, five hundred one thousand, twelve".