620222317441 has 4 divisors (see below), whose sum is σ = 623435904772. Its totient is φ = 617008730112.

The previous prime is 620222317433. The next prime is 620222317447. The reversal of 620222317441 is 144713222026.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144713222026 = 2 ⋅72356611013.

It can be written as a sum of positive squares in 2 ways, for example, as 227795243841 + 392427073600 = 477279^2 + 626440^2 .

It is a cyclic number.

It is not a de Polignac number, because 620222317441 - 2³ = 620222317433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620222317397 and 620222317406.

It is not an unprimeable number, because it can be changed into a prime (620222317447) 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, 1606793376 + ... + 1606793761.

It is an arithmetic number, because the mean of its divisors is an integer number (155858976193).

Almost surely, 2^620222317441 is an apocalyptic number.

It is an amenable number.

620222317441 is a deficient number, since it is larger than the sum of its proper divisors (3213587331).

620222317441 is a wasteful number, since it uses less digits than its factorization.

620222317441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213587330.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 620222317441 its reverse (144713222026), we get a palindrome (764935539467).

The spelling of 620222317441 in words is "six hundred twenty billion, two hundred twenty-two million, three hundred seventeen thousand, four hundred forty-one".