1421322224 has 60 divisors (see below), whose sum is σ = 3306806208. Its totient is φ = 589478400.

The previous prime is 1421322223. The next prime is 1421322239. The reversal of 1421322224 is 4222231241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421322224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421322223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4937 + ... + 53544.

Almost surely, 2^1421322224 is an apocalyptic number.

1421322224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1421322224 is an abundant number, since it is smaller than the sum of its proper divisors (1885483984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421322224 is a wasteful number, since it uses less digits than its factorization.

1421322224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58534 (or 58521 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 1421322224 is about 37700.4273715829. The cubic root of 1421322224 is about 1124.3396220454.

Adding to 1421322224 its reverse (4222231241), we get a palindrome (5643553465).

The spelling of 1421322224 in words is "one billion, four hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty-four".