57022445 has 8 divisors (see below), whose sum is σ = 68609760. Its totient is φ = 45496080.

The previous prime is 57022409. The next prime is 57022447. The reversal of 57022445 is 54422075.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57022445 - 2¹² = 57018349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57022447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151 + ... + 16940.

It is an arithmetic number, because the mean of its divisors is an integer number (8576220).

Almost surely, 2^57022445 is an apocalyptic number.

It is an amenable number.

57022445 is a deficient number, since it is larger than the sum of its proper divisors (11587315).

57022445 is a wasteful number, since it uses less digits than its factorization.

57022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 57022445 is about 7551.3207454061. The cubic root of 57022445 is about 384.9006208893.

The spelling of 57022445 in words is "fifty-seven million, twenty-two thousand, four hundred forty-five".