1022414021 has 4 divisors (see below), whose sum is σ = 1025310732. Its totient is φ = 1019517312.

The previous prime is 1022413993. The next prime is 1022414027. The reversal of 1022414021 is 1204142201.

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 568297921 + 454116100 = 23839^2 + 21310^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022414021 - 2⁶ = 1022413957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022414027) 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, 1447826 + ... + 1448531.

It is an arithmetic number, because the mean of its divisors is an integer number (256327683).

Almost surely, 2^1022414021 is an apocalyptic number.

It is an amenable number.

1022414021 is a deficient number, since it is larger than the sum of its proper divisors (2896711).

1022414021 is an equidigital number, since it uses as much as digits as its factorization.

1022414021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896710.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1022414021 is about 31975.2094754671. The cubic root of 1022414021 is about 1007.4162042834.

Adding to 1022414021 its reverse (1204142201), we get a palindrome (2226556222).

The spelling of 1022414021 in words is "one billion, twenty-two million, four hundred fourteen thousand, twenty-one".