1425143224 has 16 divisors (see below), whose sum is σ = 2673598320. Its totient is φ = 712183680.

The previous prime is 1425143221. The next prime is 1425143233. The reversal of 1425143224 is 4223415241.

It is a super-2 number, since 2×1425143224² = 4062066417826228352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425143192 and 1425143201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425143221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32572 + ... + 62539.

It is an arithmetic number, because the mean of its divisors is an integer number (167099895).

Almost surely, 2^1425143224 is an apocalyptic number.

It is an amenable number.

1425143224 is a deficient number, since it is larger than the sum of its proper divisors (1248455096).

1425143224 is a wasteful number, since it uses less digits than its factorization.

1425143224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96990 (or 96986 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1425143224 is about 37751.0691769121. The cubic root of 1425143224 is about 1125.3462569394.

Adding to 1425143224 its reverse (4223415241), we get a palindrome (5648558465).

It can be divided in two parts, 14251 and 43224, that added together give a palindrome (57475).

The spelling of 1425143224 in words is "one billion, four hundred twenty-five million, one hundred forty-three thousand, two hundred twenty-four".