1022015473 has 2 divisors, whose sum is σ = 1022015474. Its totient is φ = 1022015472.

The previous prime is 1022015429. The next prime is 1022015513. The reversal of 1022015473 is 3745102201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658846224 + 363169249 = 25668^2 + 19057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022015473 - 2¹³ = 1022007281 is a prime.

It is a super-3 number, since 3×1022015473³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1022015413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511007736 + 511007737.

It is an arithmetic number, because the mean of its divisors is an integer number (511007737).

Almost surely, 2^1022015473 is an apocalyptic number.

It is an amenable number.

1022015473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022015473 is an equidigital number, since it uses as much as digits as its factorization.

1022015473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1022015473 is about 31968.9767274463. The cubic root of 1022015473 is about 1007.2852867077.

Adding to 1022015473 its reverse (3745102201), we get a palindrome (4767117674).

The spelling of 1022015473 in words is "one billion, twenty-two million, fifteen thousand, four hundred seventy-three".