101222636 has 6 divisors (see below), whose sum is σ = 177139620. Its totient is φ = 50611316.

The previous prime is 101222623. The next prime is 101222647. The reversal of 101222636 is 636222101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652826 + ... + 12652833.

It is an arithmetic number, because the mean of its divisors is an integer number (29523270).

Almost surely, 2^101222636 is an apocalyptic number.

It is an amenable number.

101222636 is a deficient number, since it is larger than the sum of its proper divisors (75916984).

101222636 is a wasteful number, since it uses less digits than its factorization.

101222636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25305663 (or 25305661 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 101222636 is about 10060.9460787741. The cubic root of 101222636 is about 466.0428838085.

Adding to 101222636 its reverse (636222101), we get a palindrome (737444737).

The spelling of 101222636 in words is "one hundred one million, two hundred twenty-two thousand, six hundred thirty-six".