1002153224 has 8 divisors (see below), whose sum is σ = 1879037310. Its totient is φ = 501076608.

The previous prime is 1002153221. The next prime is 1002153239. The reversal of 1002153224 is 4223512001.

It can be written as a sum of positive squares in only one way, i.e., 773841124 + 228312100 = 27818^2 + 15110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1002153224² = 2008622168747188352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002153196 and 1002153205.

It is not an unprimeable number, because it can be changed into a prime (1002153221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62634569 + ... + 62634584.

Almost surely, 2^1002153224 is an apocalyptic number.

It is an amenable number.

1002153224 is a deficient number, since it is larger than the sum of its proper divisors (876884086).

1002153224 is a wasteful number, since it uses less digits than its factorization.

1002153224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125269159 (or 125269155 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1002153224 is about 31656.8037552751. The cubic root of 1002153224 is about 1000.7172267961.

Adding to 1002153224 its reverse (4223512001), we get a palindrome (5225665225).

The spelling of 1002153224 in words is "one billion, two million, one hundred fifty-three thousand, two hundred twenty-four".