100422667 has 4 divisors (see below), whose sum is σ = 101693920. Its totient is φ = 99151416.

The previous prime is 100422649. The next prime is 100422697. The reversal of 100422667 is 766224001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100422667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100422617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635508 + ... + 635665.

It is an arithmetic number, because the mean of its divisors is an integer number (25423480).

Almost surely, 2^100422667 is an apocalyptic number.

100422667 is a deficient number, since it is larger than the sum of its proper divisors (1271253).

100422667 is an equidigital number, since it uses as much as digits as its factorization.

100422667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271252.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 100422667 is about 10021.1110661443. Note that the first 3 decimals coincide. The cubic root of 100422667 is about 464.8119129859.

Adding to 100422667 its reverse (766224001), we get a palindrome (866646668).

The spelling of 100422667 in words is "one hundred million, four hundred twenty-two thousand, six hundred sixty-seven".