226153661 has 2 divisors, whose sum is σ = 226153662. Its totient is φ = 226153660.

The previous prime is 226153619. The next prime is 226153693. The reversal of 226153661 is 166351622.

It is an a-pointer prime, because the next prime (226153693) can be obtained adding 226153661 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124768900 + 101384761 = 11170^2 + 10069^2 .

It is a cyclic number.

It is not a de Polignac number, because 226153661 - 2¹⁴ = 226137277 is a prime.

It is a super-2 number, since 2×226153661² = 102290956767405842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226143661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113076830 + 113076831.

It is an arithmetic number, because the mean of its divisors is an integer number (113076831).

Almost surely, 2^226153661 is an apocalyptic number.

It is an amenable number.

226153661 is a deficient number, since it is larger than the sum of its proper divisors (1).

226153661 is an equidigital number, since it uses as much as digits as its factorization.

226153661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 226153661 is about 15038.4061987965. The cubic root of 226153661 is about 609.2579537318.

The spelling of 226153661 in words is "two hundred twenty-six million, one hundred fifty-three thousand, six hundred sixty-one".