611228445 has 16 divisors (see below), whose sum is σ = 1000709952. Its totient is φ = 318407040.

The previous prime is 611228441. The next prime is 611228503. The reversal of 611228445 is 544822116.

It is a happy number.

It is not a de Polignac number, because 611228445 - 2² = 611228441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611228441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473176 + ... + 474465.

It is an arithmetic number, because the mean of its divisors is an integer number (62544372).

Almost surely, 2^611228445 is an apocalyptic number.

It is an amenable number.

611228445 is a deficient number, since it is larger than the sum of its proper divisors (389481507).

611228445 is a wasteful number, since it uses less digits than its factorization.

611228445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947692.

The product of its digits is 15360, while the sum is 33.

The square root of 611228445 is about 24723.0347045018. The cubic root of 611228445 is about 848.6615359208.

The spelling of 611228445 in words is "six hundred eleven million, two hundred twenty-eight thousand, four hundred forty-five".