1022421651401 has 6 divisors (see below), whose sum is σ = 1046751860250. Its totient is φ = 998644401888.

The previous prime is 1022421651373. The next prime is 1022421651437. The reversal of 1022421651401 is 1041561242201.

It is a happy number.

1022421651401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1015209395776 + 7212255625 = 1007576^2 + 84925^2 .

It is not a de Polignac number, because 1022421651401 - 2¹⁰ = 1022421650377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022421651451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276477776 + ... + 276481473.

It is an arithmetic number, because the mean of its divisors is an integer number (174458643375).

Almost surely, 2^{1022421651401} is an apocalyptic number.

It is an amenable number.

1022421651401 is a deficient number, since it is larger than the sum of its proper divisors (24330208849).

1022421651401 is an frugal number, since it uses more digits than its factorization.

1022421651401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552959335 (or 552959292 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1022421651401 its reverse (1041561242201), we get a palindrome (2063982893602).

The spelling of 1022421651401 in words is "one trillion, twenty-two billion, four hundred twenty-one million, six hundred fifty-one thousand, four hundred one".