1021970224 has 40 divisors (see below), whose sum is σ = 2253998592. Its totient is φ = 444333120.

The previous prime is 1021970219. The next prime is 1021970231. The reversal of 1021970224 is 4220791201.

It is a super-2 number, since 2×1021970224² = 2088846277485220352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021970192 and 1021970201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122184 + ... + 130279.

Almost surely, 2^1021970224 is an apocalyptic number.

It is an amenable number.

1021970224 is an abundant number, since it is smaller than the sum of its proper divisors (1232028368).

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

1021970224 is a wasteful number, since it uses less digits than its factorization.

1021970224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252505 (or 252499 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1021970224 is about 31968.2690178871. The cubic root of 1021970224 is about 1007.2704208778.

The spelling of 1021970224 in words is "one billion, twenty-one million, nine hundred seventy thousand, two hundred twenty-four".