1022002641 has 24 divisors (see below), whose sum is σ = 1653959424. Its totient is φ = 602652960.

The previous prime is 1022002633. The next prime is 1022002649. The reversal of 1022002641 is 1462002201.

1022002641 is a `hidden beast` number, since 1 + 0 + 2 + 20 + 0 + 2 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (1022002633) and next prime (1022002649).

It is not a de Polignac number, because 1022002641 - 2³ = 1022002633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022002649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135841 + ... + 143166.

It is an arithmetic number, because the mean of its divisors is an integer number (68914976).

Almost surely, 2^1022002641 is an apocalyptic number.

1022002641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022002641 is a deficient number, since it is larger than the sum of its proper divisors (631956783).

1022002641 is a wasteful number, since it uses less digits than its factorization.

1022002641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279061 (or 279058 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1022002641 is about 31968.7760322475. The cubic root of 1022002641 is about 1007.2810710055.

Adding to 1022002641 its reverse (1462002201), we get a palindrome (2484004842).

The spelling of 1022002641 in words is "one billion, twenty-two million, two thousand, six hundred forty-one".