1022102402 has 8 divisors (see below), whose sum is σ = 1546721676. Its totient is φ = 506528512.

The previous prime is 1022102401. The next prime is 1022102429. The reversal of 1022102402 is 2042012201.

It can be written as a sum of positive squares in 2 ways, for example, as 620059801 + 402042601 = 24901^2 + 20051^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1022102401) 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, 2261063 + ... + 2261514.

Almost surely, 2^1022102402 is an apocalyptic number.

1022102402 is a deficient number, since it is larger than the sum of its proper divisors (524619274).

1022102402 is a wasteful number, since it uses less digits than its factorization.

1022102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522692.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022102402 is about 31970.3362822476. The cubic root of 1022102402 is about 1007.3138445990.

Adding to 1022102402 its reverse (2042012201), we get a palindrome (3064114603).

The spelling of 1022102402 in words is "one billion, twenty-two million, one hundred two thousand, four hundred two".