100222461 has 8 divisors (see below), whose sum is σ = 148477760. Its totient is φ = 66814956.

The previous prime is 100222453. The next prime is 100222517. The reversal of 100222461 is 164222001.

It is not a de Polignac number, because 100222461 - 2³ = 100222453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222261) 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, 1855945 + ... + 1855998.

It is an arithmetic number, because the mean of its divisors is an integer number (18559720).

Almost surely, 2^100222461 is an apocalyptic number.

It is an amenable number.

100222461 is a deficient number, since it is larger than the sum of its proper divisors (48255299).

100222461 is an equidigital number, since it uses as much as digits as its factorization.

100222461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711952 (or 3711946 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 100222461 is about 10011.1168707592. The cubic root of 100222461 is about 464.5028192773.

Adding to 100222461 its reverse (164222001), we get a palindrome (264444462).

The spelling of 100222461 in words is "one hundred million, two hundred twenty-two thousand, four hundred sixty-one".