1553222250 has 64 divisors (see below), whose sum is σ = 4307621760. Its totient is φ = 414190800.

The previous prime is 1553222227. The next prime is 1553222287. The reversal of 1553222250 is 522223551.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108304 + ... + 121803.

It is an arithmetic number, because the mean of its divisors is an integer number (67306590).

Almost surely, 2^1553222250 is an apocalyptic number.

1553222250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553222250 is an abundant number, since it is smaller than the sum of its proper divisors (2754399510).

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

1553222250 is a wasteful number, since it uses less digits than its factorization.

1553222250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230133 (or 230117 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1553222250 is about 39410.9407398504. The cubic root of 1553222250 is about 1158.0959275146.

The spelling of 1553222250 in words is "one billion, five hundred fifty-three million, two hundred twenty-two thousand, two hundred fifty".