1422212151 has 16 divisors (see below), whose sum is σ = 1939392000. Its totient is φ = 926644608.

The previous prime is 1422212131. The next prime is 1422212173. The reversal of 1422212151 is 1512122241.

It is not a de Polignac number, because 1422212151 - 2⁷ = 1422212023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422212131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97375 + ... + 111023.

It is an arithmetic number, because the mean of its divisors is an integer number (121212000).

Almost surely, 2^1422212151 is an apocalyptic number.

1422212151 is a deficient number, since it is larger than the sum of its proper divisors (517179849).

1422212151 is a wasteful number, since it uses less digits than its factorization.

1422212151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438.

The product of its digits is 320, while the sum is 21.

The square root of 1422212151 is about 37712.2281362425. The cubic root of 1422212151 is about 1124.5742325634.

Adding to 1422212151 its reverse (1512122241), we get a palindrome (2934334392).

The spelling of 1422212151 in words is "one billion, four hundred twenty-two million, two hundred twelve thousand, one hundred fifty-one".