226212045 has 16 divisors (see below), whose sum is σ = 363659712. Its totient is φ = 120072960.

The previous prime is 226212031. The next prime is 226212067. The reversal of 226212045 is 540212622.

It is a happy number.

It is not a de Polignac number, because 226212045 - 2⁶ = 226211981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32572 + ... + 38901.

It is an arithmetic number, because the mean of its divisors is an integer number (22728732).

Almost surely, 2^226212045 is an apocalyptic number.

It is an amenable number.

226212045 is a deficient number, since it is larger than the sum of its proper divisors (137447667).

226212045 is a wasteful number, since it uses less digits than its factorization.

226212045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71692.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 226212045 is about 15040.3472366831. The cubic root of 226212045 is about 609.3103780520.

Adding to 226212045 its reverse (540212622), we get a palindrome (766424667).

The spelling of 226212045 in words is "two hundred twenty-six million, two hundred twelve thousand, forty-five".