1022420422 has 16 divisors (see below), whose sum is σ = 1573133760. Its totient is φ = 498138048.

The previous prime is 1022420411. The next prime is 1022420423. The reversal of 1022420422 is 2240242201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022420422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022420423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 45274.

It is an arithmetic number, because the mean of its divisors is an integer number (98320860).

Almost surely, 2^1022420422 is an apocalyptic number.

1022420422 is a deficient number, since it is larger than the sum of its proper divisors (550713338).

1022420422 is a wasteful number, since it uses less digits than its factorization.

1022420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47775.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1022420422 is about 31975.3095684780. The cubic root of 1022420422 is about 1007.4183066469.

Adding to 1022420422 its reverse (2240242201), we get a palindrome (3262662623).

The spelling of 1022420422 in words is "one billion, twenty-two million, four hundred twenty thousand, four hundred twenty-two".