1202022251 has 8 divisors (see below), whose sum is σ = 1320299520. Its totient is φ = 1089246312.

The previous prime is 1202022233. The next prime is 1202022299. The reversal of 1202022251 is 1522202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202022251 - 2¹⁴ = 1202005867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202024251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374875 + ... + 1375748.

It is an arithmetic number, because the mean of its divisors is an integer number (165037440).

Almost surely, 2^1202022251 is an apocalyptic number.

1202022251 is a deficient number, since it is larger than the sum of its proper divisors (118277269).

1202022251 is a wasteful number, since it uses less digits than its factorization.

1202022251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750665.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1202022251 is about 34670.1925434515. The cubic root of 1202022251 is about 1063.2551681639.

Adding to 1202022251 its reverse (1522202021), we get a palindrome (2724224272).

The spelling of 1202022251 in words is "one billion, two hundred two million, twenty-two thousand, two hundred fifty-one".