1022421553 has 8 divisors (see below), whose sum is σ = 1072407168. Its totient is φ = 972897024.

The previous prime is 1022421527. The next prime is 1022421563. The reversal of 1022421553 is 3551242201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022421553 - 2⁹ = 1022421041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022421563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110725 + ... + 119602.

It is an arithmetic number, because the mean of its divisors is an integer number (134050896).

Almost surely, 2^1022421553 is an apocalyptic number.

It is an amenable number.

1022421553 is a deficient number, since it is larger than the sum of its proper divisors (49985615).

1022421553 is a wasteful number, since it uses less digits than its factorization.

1022421553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230543.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1022421553 is about 31975.3272539938. The cubic root of 1022421553 is about 1007.4186781150.

Adding to 1022421553 its reverse (3551242201), we get a palindrome (4573663754).

The spelling of 1022421553 in words is "one billion, twenty-two million, four hundred twenty-one thousand, five hundred fifty-three".