1422141021 has 24 divisors (see below), whose sum is σ = 2402262720. Its totient is φ = 793751616.

The previous prime is 1422140989. The next prime is 1422141023. The reversal of 1422141021 is 1201412241.

1422141021 is a `hidden beast` number, since 14 + 221 + 410 + 21 = 666.

It is not a de Polignac number, because 1422141021 - 2⁵ = 1422140989 is a prime.

It is a super-2 number, since 2×1422141021² = 4044970167221844882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422140985 and 1422141003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422141023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259776 + ... + 265193.

It is an arithmetic number, because the mean of its divisors is an integer number (100094280).

Almost surely, 2^1422141021 is an apocalyptic number.

It is an amenable number.

1422141021 is a deficient number, since it is larger than the sum of its proper divisors (980121699).

1422141021 is a wasteful number, since it uses less digits than its factorization.

1422141021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525025 (or 525022 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1422141021 is about 37711.2850616364. The cubic root of 1422141021 is about 1124.5554842356. Note that the first 3 decimals are identical.

Adding to 1422141021 its reverse (1201412241), we get a palindrome (2623553262).

The spelling of 1422141021 in words is "one billion, four hundred twenty-two million, one hundred forty-one thousand, twenty-one".