1422221031 has 128 divisors (see below), whose sum is σ = 2801664000. Its totient is φ = 705529440.

The previous prime is 1422221011. The next prime is 1422221083. The reversal of 1422221031 is 1301222241.

It is a happy number.

1422221031 is a `hidden beast` number, since 1 + 422 + 2 + 210 + 31 = 666.

It is not a de Polignac number, because 1422221031 - 2⁵ = 1422220999 is a prime.

It is a super-2 number, since 2×1422221031² = 4045425322037405922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422220995 and 1422221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422221011) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2342730 + ... + 2343336.

It is an arithmetic number, because the mean of its divisors is an integer number (21888000).

Almost surely, 2^1422221031 is an apocalyptic number.

1422221031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1422221031 is a deficient number, since it is larger than the sum of its proper divisors (1379442969).

1422221031 is a wasteful number, since it uses less digits than its factorization.

1422221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1422221031 is about 37712.3458697546. The cubic root of 1422221031 is about 1124.5765730952.

Adding to 1422221031 its reverse (1301222241), we get a palindrome (2723443272).

It can be divided in two parts, 14222210 and 31, that added together give a palindrome (14222241).

The spelling of 1422221031 in words is "one billion, four hundred twenty-two million, two hundred twenty-one thousand, thirty-one".