213002022445 has 8 divisors (see below), whose sum is σ = 256045415544. Its totient is φ = 170106292224.

The previous prime is 213002022437. The next prime is 213002022451. The reversal of 213002022445 is 544220200312.

It can be written as a sum of positive squares in 4 ways, for example, as 37047780484 + 175954241961 = 192478^2 + 419469^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 213002022445 - 2³ = 213002022437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36912544 + ... + 36918313.

It is an arithmetic number, because the mean of its divisors is an integer number (32005676943).

Almost surely, 2^213002022445 is an apocalyptic number.

It is an amenable number.

213002022445 is a deficient number, since it is larger than the sum of its proper divisors (43043393099).

213002022445 is an equidigital number, since it uses as much as digits as its factorization.

213002022445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73831439.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 213002022445 its reverse (544220200312), we get a palindrome (757222222757).

The spelling of 213002022445 in words is "two hundred thirteen billion, two million, twenty-two thousand, four hundred forty-five".