1422021004425 has 54 divisors (see below), whose sum is σ = 2962833990558. Its totient is φ = 650066739840.

The previous prime is 1422021004423. The next prime is 1422021004463. The reversal of 1422021004425 is 5244001202241.

It is a happy number.

1422021004425 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 0 + 210 + 0 + 442 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 230840850681 + 1191180153744 = 480459^2 + 1091412^2 .

It is not a de Polignac number, because 1422021004425 - 2¹ = 1422021004423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422021004423) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 64479724 + ... + 64501773.

Almost surely, 2^{1422021004425} is an apocalyptic number.

1422021004425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422021004425 is an abundant number, since it is smaller than the sum of its proper divisors (1540812986133).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422021004425 is a wasteful number, since it uses less digits than its factorization.

1422021004425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128981527 (or 128981512 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 1422021004425 its reverse (5244001202241), we get a palindrome (6666022206666).

The spelling of 1422021004425 in words is "one trillion, four hundred twenty-two billion, twenty-one million, four thousand, four hundred twenty-five".