22101004 has 6 divisors (see below), whose sum is σ = 38676764. Its totient is φ = 11050500.

The previous prime is 22100959. The next prime is 22101029. The reversal of 22101004 is 40010122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762622 + ... + 2762629.

Almost surely, 2^22101004 is an apocalyptic number.

It is an amenable number.

22101004 is a deficient number, since it is larger than the sum of its proper divisors (16575760).

22101004 is a wasteful number, since it uses less digits than its factorization.

22101004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525255 (or 5525253 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22101004 is about 4701.1704925476. The cubic root of 22101004 is about 280.6320924030.

Adding to 22101004 its reverse (40010122), we get a palindrome (62111126).

The spelling of 22101004 in words is "twenty-two million, one hundred one thousand, four".