211226104 has 8 divisors (see below), whose sum is σ = 396048960. Its totient is φ = 105613048.

The previous prime is 211226101. The next prime is 211226123. The reversal of 211226104 is 401622112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×211226104² = 89232934022037632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211226101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13201624 + ... + 13201639.

It is an arithmetic number, because the mean of its divisors is an integer number (49506120).

Almost surely, 2^211226104 is an apocalyptic number.

It is an amenable number.

211226104 is a deficient number, since it is larger than the sum of its proper divisors (184822856).

211226104 is a wasteful number, since it uses less digits than its factorization.

211226104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26403269 (or 26403265 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 211226104 is about 14533.6197831098. The cubic root of 211226104 is about 595.5467553855.

Adding to 211226104 its reverse (401622112), we get a palindrome (612848216).

The spelling of 211226104 in words is "two hundred eleven million, two hundred twenty-six thousand, one hundred four".