1012420222 has 16 divisors (see below), whose sum is σ = 1676650752. Its totient is φ = 454645720.

The previous prime is 1012420219. The next prime is 1012420229. The reversal of 1012420222 is 2220242101.

It is a junction number, because it is equal to n+sod(n) for n = 1012420196 and 1012420205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012420229) 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, 275398 + ... + 279049.

It is an arithmetic number, because the mean of its divisors is an integer number (104790672).

Almost surely, 2^1012420222 is an apocalyptic number.

1012420222 is a deficient number, since it is larger than the sum of its proper divisors (664230530).

1012420222 is a wasteful number, since it uses less digits than its factorization.

1012420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554543.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1012420222 is about 31818.5515383714. The cubic root of 1012420222 is about 1004.1230510864.

Adding to 1012420222 its reverse (2220242101), we get a palindrome (3232662323).

The spelling of 1012420222 in words is "one billion, twelve million, four hundred twenty thousand, two hundred twenty-two".