1022140201 has 4 divisors (see below), whose sum is σ = 1022532804. Its totient is φ = 1021747600.

The previous prime is 1022140199. The next prime is 1022140267. The reversal of 1022140201 is 1020412201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 641304976 + 380835225 = 25324^2 + 19515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022140201 - 2¹ = 1022140199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022140501) 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, 192370 + ... + 197611.

It is an arithmetic number, because the mean of its divisors is an integer number (255633201).

Almost surely, 2^1022140201 is an apocalyptic number.

It is an amenable number.

1022140201 is a deficient number, since it is larger than the sum of its proper divisors (392603).

1022140201 is an equidigital number, since it uses as much as digits as its factorization.

1022140201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392602.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022140201 is about 31970.9274341549. The cubic root of 1022140201 is about 1007.3262618110.

Adding to 1022140201 its reverse (1020412201), we get a palindrome (2042552402).

Subtracting from 1022140201 its reverse (1020412201), we obtain a cube (1728000 = 120³).

The spelling of 1022140201 in words is "one billion, twenty-two million, one hundred forty thousand, two hundred one".