226692649 has 4 divisors (see below), whose sum is σ = 232221780. Its totient is φ = 221163520.

The previous prime is 226692619. The next prime is 226692679. The reversal of 226692649 is 946296622.

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

It is an interprime number because it is at equal distance from previous prime (226692619) and next prime (226692679).

It can be written as a sum of positive squares in 2 ways, for example, as 101364624 + 125328025 = 10068^2 + 11195^2 .

It is a cyclic number.

It is not a de Polignac number, because 226692649 - 2¹³ = 226684457 is a prime.

It is a super-2 number, since 2×226692649² = 102779114221274402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226692599 and 226692608.

It is not an unprimeable number, because it can be changed into a prime (226692619) 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, 2764504 + ... + 2764585.

It is an arithmetic number, because the mean of its divisors is an integer number (58055445).

Almost surely, 2^226692649 is an apocalyptic number.

It is an amenable number.

226692649 is a deficient number, since it is larger than the sum of its proper divisors (5529131).

226692649 is an equidigital number, since it uses as much as digits as its factorization.

226692649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5529130.

The product of its digits is 559872, while the sum is 46.

The square root of 226692649 is about 15056.3159172488. The cubic root of 226692649 is about 609.7415809452.

The spelling of 226692649 in words is "two hundred twenty-six million, six hundred ninety-two thousand, six hundred forty-nine".