1022066402 has 12 divisors (see below), whose sum is σ = 1783401750. Its totient is φ = 438028416.

The previous prime is 1022066359. The next prime is 1022066447. The reversal of 1022066402 is 2046602201.

It can be written as a sum of positive squares in only one way, i.e., 630461881 + 391604521 = 25109^2 + 19789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5214527 + ... + 5214722.

Almost surely, 2^1022066402 is an apocalyptic number.

1022066402 is a deficient number, since it is larger than the sum of its proper divisors (761335348).

1022066402 is a wasteful number, since it uses less digits than its factorization.

1022066402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10429265 (or 10429258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1022066402 is about 31969.7732553736. The cubic root of 1022066402 is about 1007.3020180853.

Adding to 1022066402 its reverse (2046602201), we get a palindrome (3068668603).

The spelling of 1022066402 in words is "one billion, twenty-two million, sixty-six thousand, four hundred two".